Girls BravoGirls Bravo.

Girls Bravo (Japanese: GIRLSブラボー, Hepburn: Gārusu Burabō) is a Japanese manga series written and illustrated by Mario Kaneda and serialized from 2000 to 2005 in Shōnen Ace by Kadokawa Shoten. The story focuses on a high school boy who is allergic to girls who is transported to a mysterious world with a mostly female population; when he returns, one of the girls from that world becomes his housemate. The anime adaptation of Girls Bravo, directed by Ei Aoki and animated by AIC Spirits, aired in Japan from 2004 to 2005.