He protagonist unexpectedly becomes a private tutor for a sheltered young lady. In the secluded space they share, their hearts and bodies gradually draw closer, eventually leading to a deep, intimate relationship. This is a full-fledged Live2D interactive touching game titled Natsuiro Lesson: The Last Summer Time by The 18th Chikamichi. Using the mouse, players can engage in real-time interactions such as petting her head, undressing her, fondling her breasts, and engaging in sexual activities. As you continue these interactions, her reactions will change based on the increasing level of affection.​