In a workplace where most seniors are re-employed after retirement, young Sugiura works as an office cleaner. Due to his intimidating appearance, rumors spread that he might be a delinquent, and he had minimal interaction with the dispatched employees except for polite greetings. However, only Mina treated him equally, leaving Sugiura confused about how to respond. At this time, important documents went missing, and Sugiura was suspected of discarding them by his colleagues. "It couldn't have been me, Sugiura-san!" Mina, who inexplicably believed in him, gradually captured Sugiura's heart...
