Ore no Kanojo wa Kawaii Darou ga

Choco has had a crush on his best friend and gaming buddy Bom for years. Bom has never been able to tell her best friend that she is a trans woman. After they confess their feelings to each other, their days begin to take on new color. A boy-meets-trans girl story between a geeky boy who's new to romance and a trans woman! (Source: Kadokawa, translated)