"My roommate, Hebio, is a snake person. He looks and acts like a snake. Everyone says he's scary, but I..." Manabu came to Tokyo from the countryside and now lives in a dormitory. His roommate is a non-human (!?) Although the dormitory students are scared, Manabu begins to have strange feelings for Hebio during the communal life. "I don't think Hebio is scary, but I'm just nervous every day." The nostalgic dormitory life of Hebio and Manabu begins.