Kaichuu!
Japanese title: カイチュー!
Alternative titles: Kaichu!
Type: ONA
Source: Manga
Episodes: 4
Status: Finished Airing
Aired: Jul 16, 2010 to Oct 2011
Duration: 4 min per ep
Rating: PG-13 - Teens 13 or older
Producers: Soft Garage
Genres: Comedy, Sports
Themes: Crossdressing
Demographics: Seinen

Tachikawa Tetsuya is a freshman at a new high school and he wants to become a great archer, like his late grandfather, Fudou.

One day, a new transfer student joins his class. In a surprise to everyone, it is a cute girl and not a guy like the rumors were saying... The name is Sasaki Gonzaburou, and... "she"... or maybe "he"... well, this person has some "little" secrets.