STOP!! Hibari kun!
Kōsaku, a 10th-grader, has moved in with one of his mother's friends because she recently passed away. It just so happens that these family friends are a yazuka family with four beautiful daughters, but the most beautiful daughter, Hibari, is actually a boy. Hibari just can't keep his hands off Kōsaku and so their crazy yet happy lives go on.
You should watch
Onii-chan Dakedo Ai Sae Areba Kankeinai yo ne!
The story centers around Akito Himenokōji, a boy who was separated from his twin sister Akiko, but they end up living under the same roof together during high school.
Kenka Banchou Otome: Girl Beats Boys
Hinako has grown up not knowing her parents and thinking she has no relatives. One day, a boy named Hikaru appears before her, and says he's her older twin brother. Hikaru asks Hinako to take his place at attending a famous private all-boys...
Ebichu is the story of a talking hamster, her owner (a single office lady), and the good-for-nothing boyfriend she spends every other night with.