Kaichuu! is a oNA (web) anime that premiered in summer 2010.

About the production: the story comes from a manga, there are 4 episodes of about 4 minutes and its current status is "finished".

Its main genres are comedy and sports, with themes such as Archery, Transgender, School Club and Crossdressing.

On AniList, Kaichuu! has an average score of 52%, an average score, and appears on 2,237 users' lists.

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.

Official synopsis from AniList.