あらすじ
Tatsumi enters highschool with his childhood friend Amasawa Kokoro, nickname Ama-chin, who is a extremely feminine looking trouser-wearing boy that likes to mess with peoples expectations of his gender.
あらすじはAniListより（英語）。
マンガ
Amachin wa Jishou ♂
ComedyRomanceSlice of Life