Doosan and Taesan, who have been best friends since their student days, reunite at the Justice Arcade as adults. Despite their deep and unchanged friendship, a strange tension has recently developed between them, leaving Doosan feeling uneasy. “If we date and break up, we can't even stay friends." As they continue to drift through time without addressing their feelings, a new person suddenly appears, threatening to come between Doosan and Taesan!