Joonwoo "Juunu" Choi

About

Joonwoo Choi is the primary protagonist of the Random Chat. He has black hair and blue eyes, and is described to have girlish features, like his hands, by many characters of the series and wears his uniform during school, which consists of a blue blazer, pants, tie, and a white shirt beneath. When he's not in school, he wears casual clothes.

(Source: The Girl from Random Chatting! Wiki)