Gongnyageun Teumsaebuteo

Han-Seo is a college student who's in love with a handsome senior named Han Ji-Yun. One night they went to a mixer party, and Han-Seo smelled Han Ji-Yun's jacket when no one was there. He gets caught by Ji-Yun Yun, his crush's roommate, who wants to live at his place in exchange for keeping his secret!
(Source: INKR Comics, edited)