During a family trip, Shuri lost her return flight ticket. Only Katayama and Shuri could stay in the same room for the night to arrange a new one. However, this was Shuri's plan all along, as she has had feelings for Katayama since they were young! Shuri wants to express her pure feelings and push for a physical relationship, but Katayama refuses due to his sense of responsibility as a guardian. However, when Shuri looks at him with moist eyes and says, 'If it's just kissing, it's not sex, right...?' and gives him a loving blowjob, his rationality crumbles...
