My girlfriend was away on a family trip for a week, so I creampied her big-breasted friend. Riisa Kisaragi

The movie revolves around the narrator who engages in intimate activities with his girlfriend's friend, Riisa Kisaragi, while his girlfriend is away on a family trip. As they spend time together, they develop a connection and explore their desires. However, their actions are secretive, and they must navigate the complexities of their relationships and personal boundaries.