Tōno, a newcomer in a construction company, is entrusted for his training to a boss named Mizusawa, who turns out to be his childhood friend! Now his subordinate, and while he has to keep a certain distance with his superior, Tōno notices nevertheless that Mizusawa is still as classy as before and that he has become someone to be trusted. However, his reunion with Mizusawa will make him realize his feelings towards him!