If you're looking for anime similar to First Love Monster OVA, you might like these titles.
Thanks to his parents' job transfer, high school freshman Kazunari Usa finally gets to enjoy living on his own in Kawai Complex, a boarding house that provides meals for its residents. Ritsu, the sempai he always admired, also lives in Kawai Complex, along with a few "unique" individuals e.g. his masochistic roommate, Kinosaki; beautiful, big-breasted Mayumi who has no luck in finding men; and sly, predatory college woman Ayaka. Surrounded by all these people, Usa never finds his daily life boring.
One year after the arrival of Chika, things become livelier than ever in the Sakuraba residence. With Chika’s embarrassing questions, Tina’s love for breast fondling, Mayu’s puppy-dog love of Hanabishi-sama, Taeko’s cute clumsiness, and Miyabi’s absolute totalitarian rule of the mansion, Kaoru has a lot to handle. Combining the wants and needs of his friends and his loyalty to Aoi, will Kaoru be able to survive the emotional pressure?
Aoi Sakuraba, heir to the Sakura department store, has only one thing on her mind-- her beloved. Betrothed from a very young age, she has been in love with him, Kaoru Hanabishi, ever since. After Kaoru left his family, their bethrothal was nullified. Aoi sets out to find him. Will they be able to stand against the barriers that will try to keep them apart?
Nagumi Koushi is a 12-year-old boy who was abandoned by his broke father after their house caught on fire, leaving him to roam the streets penniless. He then one day, meets a girl named Minerva who finds him lying on the sidewalk. She takes him to a women’s college dormitory, one known for housing troublesome residents, and asks him to be their "Dormitory Mother." Surrounded by older women and forced to deal with their idiosyncrasies, Koushi starts his new life!
Yusaku Godai is a ronin – a person who failed his entrance exams. Though eager for a second chance to succeed, Yusaku’s attempts to study for future exams are constantly thwarted by his fellow residents at Maison Ikkoku, who insist on using his apartment for their debauchery and drinking games. Though tempted to call it quits at the house, things change when Maison Ikkoku’s beautiful new building manager, Kyoko, arrives. With plenty of competition from the sidelines and interference from his drunken and provocative neighbors, Yusaku must now focus his energy on winning the girl of his dreams, Kyoko.
Feminine-featured Shiina Aki is at odds with his masculinity. To fix this, he heads to Tokyo to attend a new school and to meet new people—the living situation was bound to be weird but not this weird! Now Aki’s the only boy among three older female classmates—and he’s totally crushing on his voluptuous dorm room caretaker!
Did you think the chaos at the Hinata Inn is over? No way! Love Hina Again introduces a new girl--Kanako--who has a big crush on Keitaro and magical powers on her side! Will Naru finally confess her feelings to Keitaro, or will he literally be 'charmed' away?
Sorata Kanda has a real problem - he just can't say no to the cute face of a kitten! However, his lovely strays have finally landed him in trouble, as his dorm doesn't allow keeping pets. Given an ultimatum to get rid of the cats or move out, Sorata makes the mistake of standing up for himself and finds himself exiled to Sakurasou, the home of misfits the school doesn't know what to do with. Yet the more he spends time there, Sorata sees they all have their own incredible talents. None, however, enthralls him more than the latest arrival: Mashiro Shiina, a world class artist who is seemingly incapable of feeding or clothing herself! Since none of the other residents have a shred of responsibility, the onus of 'Mashiro Duty' falls to Sorata; what will become of Sorata and his latest stray, and will he ever achieve his goal of escaping Sakurasou?