If Your Name's Kocho Chosokabe, Your Boyfriend's Hot

Stole the art from google

This story follows a young streamer, Tokinoshin Hasegawa. He's been streaming since his mom bought him a PC for his eleventh birthday.
He's known his best friend Kocho Chosokabe since elementary school, but when she starts dating his secret guy crush, all his loyalty goes down the toilet. He tried to focus on his studies and streaming, ignoring Chosokabe in the process.

dunno what else to write just read it if you're interested