If you’re on the hunt for anime that mixes steamy fanservice with genuine romance, 2025 is looking like a fantastic year for ecchi romance lovers. With new adaptations like Chained Soldier, which takes risks with its bold humor and daring storyline, alongside creative sci-fi romances like Hide! My Dress up Darling, this year’s selection is packed with a range of passionate, funny, and sometimes wild love stories. Whether you’re nostalgic for classic harem shows making a comeback or eager to dive into bold new relationships in fantasy and futuristic settings, these 20 top ecchi romance anime are sure to bring both laughs and thrills, making them essential additions to your watchlist in 2025.

And You Thought There Is Never a Girl Online? This anime tells the story of Hideki Nishimura, an otaku who once confessed his feelings to a girl online, only to find out she was actually a guy. After that, he swore off trusting ‘girls’ online. Fast forward a few years, and Hideki, now gaming as Rusian in the MMORPG Legendary Age, is shocked when a determined guildmate named Ako Tamaki confesses to him and turns out to be a real, gorgeous girl from his school. Ako has a tough time separating her online life from reality since she’s pretty socially awkward and a bit of a loner. So, Hideki and their guild friends team up to help Ako connect her virtual persona with her real-life self. The show aired in 2016, featuring 12 episodes of about 30 minutes each, and you can catch it on platforms like Crunchyroll.

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Girlfriend, Girlfriend is an anime that tells the story of Naoya, a high school freshman. He finally asks out Saki, the girl he’s had a crush on, and she says yes, making him super happy. But then, a stunning girl named Nagisa approaches him and expresses her interest in dating him. Naoya finds himself torn because Nagisa is really amazing, leading him to make a big decision! Get ready for a fresh take on romcoms with this unexpected twist! The series has 24 episodes, each around 24 minutes long, and you can watch it on Crunchyroll or buy it on Apple TV and Prime Video.

Infinite Stratos (IS) tells the story of Ichika Orimura, a 15-year-old boy who accidentally finds out he is the only male who can pilot an IS. This unique skill leads him to join the IS Academy, a top school for female pilots from around the world. Ichika’s life is busy as he interacts with skilled girls, including rivals, childhood friends, and possible love interests, while facing intense IS battles, romantic situations, and various dangers. The series has 24 episodes, each about 24 minutes long, and is usually available for streaming on sites like Crunchyroll or Funimation.

Uzaki-Chan Wants to Hang Out! is a comedy anime about Shinichi Sakurai, a university student who enjoys his quiet life. His routine is disrupted by his lively underclassman, Hana Uzaki, who is eager to bring him out of his shell. She frequently joins him, playfully teasing him and involving him in social activities. Although Sakurai is hesitant at first, he eventually values her presence, creating a unique and warm friendship that hints at deeper feelings. The show consists of 25 episodes over two seasons, aired from July 2020 to December 2022, with each episode lasting around 23–24 minutes, totaling about 10 hours. You can watch Uzaki-Chan Wants to Hang Out! on Crunchyroll.

The Asterisk War takes place in a future altered by the devastating Invertia meteor storm, which ruined cities and brought mana, a strange element that enhanced technology and created the Genestella humans with special powers. In the floating city of Rikka, or Asterisk, six schools train these talented young people, who compete in large tournaments called Festas to showcase their skills. The series has 24 episodes, each around 24 minutes long, and is available for streaming on sites like Crunchyroll and Funimation.

Trinity Seven follows Arata Kasuga, whose life changes dramatically due to the ‘Collapse Phenomenon,’ which causes his cousin Hijiri to disappear. To find her and uncover the truth, Arata joins the Royal Biblia Academy, where he encounters the Trinity Seven, a group of seven powerful mages, each embodying one of the seven deadly sins: Pride (Lilith), Envy (Levi), Wrath (Akio), Sloth (Yui), Greed (Selina), Gluttony (Mira), and Lust (Arin). The series has 12 episodes, each about 24 minutes long, and is available on streaming services like Crunchyroll, HIDIVE, or Funimation.

Monster Musume no Iru Nichijou is set in a world where monsters are part of daily life due to the ‘Cultural Exchange Between Species Act.’ The story follows Kimihito Kurusu, a young man who ends up caring for a Lamia named Miia and later invites various monster girls, including a centaur and a harpy, into his home. As Kimihito balances his life with these energetic and affectionate creatures, he must adhere to strict rules against interspecies relationships, resulting in many humorous and risqué moments. The anime consists of 12 episodes, each about 24 minutes long, and is available on platforms like Crunchyroll and HIDIVE.

The Fruit of Grisaia focuses on Mihama Academy, a secluded school for five girls with troubled pasts. When Kazami Yuuji, the first male student, arrives, he disrupts their lives and gets involved in their struggles while dealing with his own dark history. As he connects with each girl, he learns about their pain and tries to help them face their trauma, all while his own issues come to light, questioning if he can save others while still haunted by his past. The series has about 13 episodes, each around 24 minutes long, totaling about 5 hours, and is available for streaming on platforms like HIDIVE and Crunchyroll, depending on your region.

Mato Seihei no Slave is an action-filled ecchi anime about Yuuki Wakura, a young man who is transported to Mato, a parallel world full of monsters called Shuuki. He is saved by Kyouka Uzen, the leader of the 7th squad in the Demon Defense Force, who uses her special power to enslave him, making him a strong fighter. Yuuki becomes Kyouka’s caretaker and helps her in a world where women gain special abilities by eating ‘Peaches’ from Mato. The series explores themes of power, relationships, and fighting against the Shuuki. It has 12 episodes, each around 24 minutes long, and is available on platforms like Crunchyroll or HIDIVE, depending on your location.

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Boku wa Tomodachi ga Sukunai tells the story of Kodaka Hasegawa, a transfer student with blond hair who has trouble making friends because people think he is a troublemaker. He meets Yozora Mikazuki, a grumpy classmate who has an imaginary friend. They realize they both need friends and start the ‘Neighbors Club,’ a group for those with few friends, to help each other improve their social skills through activities like cooking and gaming. As more socially awkward classmates join, including the pretty but shy Sena Kashiwazaki, they face various challenges in friendship. The anime has 24 episodes and OVAs and can be watched on Funimation in North America.

Shinmai Maou no Testament follows Toujou Basara, a high school student whose life changes when his father remarries. He gains two stepsisters, Mio and Maria, who are actually demons. Mio is the daughter of a former Demon Lord, and Maria is her succubus servant. Rather than fighting them, Basara, a former member of the Hero Clan, decides to protect them and forms a master-servant bond with Mio. The series has 24 episodes across two seasons, each about 24 minutes long, and is available on streaming platforms like Crunchyroll and HIDIVE.

Eromanga Sensei follows Masamune Izumi, a high school author of light novels, who lives with his reclusive younger stepsister Sagiri. She has not left her room in over a year and secretly illustrates Masamune’s novels under the pseudonym ‘Eromanga Sensei.’ The narrative delves into their developing sibling bond as Masamune attempts to coax Sagiri out of her room while they collaborate on light novels. Their dynamic becomes more complex with the introduction of Elf Yamada, a stunning and accomplished female light novel author who serves as both a friend and a rival. This anime series consists of 12 episodes, each approximately 24 minutes long, and is available for streaming on Crunchyroll.

Chivalry of a Failed Knight follows Ikki Kurogane, an F-ranked ‘Blazer’ at Hagun Academy, where students harness weapons crafted from their souls to compete as Mage-Knights. Despite being deemed the ‘Worst One’ due to his limited magical abilities, Ikki’s fate takes a turn when he meets Stella Vermillion, an A-ranked Blazer and a foreign princess. This encounter leads to a duel with a lifelong consequence for the loser. As their rivalry transforms into a bond of respect and teamwork, they prepare to represent their academy at the esteemed Seven Star Sword Art Festival. The series consists of 12 episodes, each lasting around 24 minutes, totaling approximately 288 minutes, and is available for streaming on Crunchyroll.

Date A Live is a sci-fi romantic comedy anime about Shidou Itsuka, a regular high school student. He finds out that his sister, Kotori, runs a secret group called Ratatoskr. To stop the Spirits from causing more chaos, Shidou must make each Spirit fall in love with him to seal their powers. The series features different Spirits with their own personalities and issues, and Shidou faces romantic challenges, conspiracies, and fights against anti-Spirit groups to protect both humans and Spirits. It has 60 episodes, each around 24 minutes long, and is available for streaming on platforms like Crunchyroll and Funimation, depending on your location.

Kiss×sis tells the story of Keita Suminoe, who gets two older twin step-sisters, Ako and Riko, after his father remarries. Although they are not blood relatives, Ako and Riko develop strong romantic feelings for Keita and compete for his love with their parents knowing. After a public confession at school, Keita tries to resist their advances to maintain a normal sibling relationship, but as he prepares to attend the same high school as his sisters, he starts to feel attracted to them. The series mixes romantic comedy with ecchi themes, highlighting the funny and awkward moments from their unusual family situation. The TV anime has 12 episodes, each around 24 minutes long, and the OVA series also has 12 episodes, each about 25 minutes. You can watch Kiss×sis online on streaming platforms like 9anime.

Fuufu Ijou, Koibito Miman tells the story of Jirou Yakuin, a third-year high school student who wants to partner with his childhood friend Shiori Sakurazaka in a required ‘Couple Practical’ class. This course aims to teach students how to live well with a partner of the opposite sex. However, Jirou is randomly assigned to work with Akari Watanabe, a gyaru who is very different from him, while Shiori ends up with Minami Tenjin, who has a crush on Akari. Despite their initial hesitations, Jirou and Akari team up to try to rank in the top ten of the course, which would let them switch partners if both couples agree. It consists of 12 episodes, each about 24 minutes long, and can be streamed on Crunchyroll.

High School of the Dead follows Takashi Komuro and a group of survivors, including his friend Rei Miyamoto, swordswoman Saeko Busujima, genius Saya Takagi, gun lover Kohta Hirano, and the clumsy nurse Shizuka Marikawa. They struggle to escape their zombie-infested school and navigate a society in chaos. The group faces not only zombies but also the darker aspects of humanity, relying on their skills and teamwork to find safety and reconnect with their families as danger surrounds them. The series consists of 12 episodes and one OVA, each about 24 minutes long, totaling around 5 hours. You can watch High School of the Dead on Hulu and Crunchyroll, though it may not be available in all areas.

High School DxD follows Issei Hyoudou, a regular high school student with a flirtatious side. His life changes dramatically when a fallen angel kills him during what he believed was a date. Fortunately, Rias Gremory, a beautiful devil, revives him and becomes his new master. This leads Issei into a world of devils, angels, and intense supernatural fights as he joins the Occult Research Club. Throughout the show, he learns to control his powers, navigates romantic situations, and forms bonds with his clubmates, all while trying to keep his new life hidden from his friends and family. The anime has four seasons with 53 episodes, each about 25 minutes long, and is available on Crunchyroll and Funimation in both subbed and dubbed formats.

The 100 Girlfriends Who Really, Really, Really, Really, Really, REALLY Love You is a fun romantic comedy anime featuring Rentarou Aijou, a high school student who faced rejection from 100 girls back in middle school. After making a wish for better luck at a shrine, the God of Love tells him that, thanks to a cosmic blunder, he’s meant to have 100 soulmates in high school. If he doesn’t reciprocate their feelings, they’ll meet a tragic end. The series follows Rentarou as he encounters his destined partners—starting with Hakari Hanazono and Karane Inda—and to keep them safe, he decides to date all of them at once, creating a growing polyamorous group called the Rentarou Family. The show has 24 episodes, each around 24 minutes long, and you can catch it on Crunchyroll.

My Dress-Up Darling tells the story of Wakana Gojo, a high schooler who loves making traditional hina dolls but feels lonely until Marin Kitagawa, the popular girl at school, finds out about his talent and asks for his help with cosplay outfits. As they work together on more and more elaborate cosplay projects, they become good friends and attract other cosplayers like the shy Sajuna and her sister Shinju, supporting each other through personal struggles and social hurdles. The first season has 12 episodes, each around 24 minutes long, adding up to about 288 minutes. You can catch My Dress-Up Darling on streaming services like Crunchyroll and Funimation.

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