After the graduation ceremony... A gift from your stepmother to you as an adult. Rei Kimura

The story revolves around Yu's graduation ceremony and the events that follow. Yu's stepmother, who has been supportive throughout his academic journey, decides to give him a unique gift to celebrate his transition into adulthood. As they spend more time together, their relationship evolves, leading to a complex and intimate dynamic. The central tension lies in the exploration of their newfound connection and the boundaries they navigate.