Hajime Mamiya decides to leave the yakuza world behind after his superior departs. While on a bus ride, his attention is drawn to Sho Kosaka, a committed college student who yearns for his companion passionately. Mamiya encounters Kosaka once again when he finds him working a part-time job at a 'Deriheru.' Even though he is inexperienced in love, Mamiya is attracted to Kosaka's zeal for work and chooses to purchase all of his time to keep away other clients. The heartwarming tale of an ex-yakuza's quest to find love with a college student in search of affection is both inspiring and uplifting.