If you're going to lose your virginity, you should do it at the same time, right? The three of us have been good friends since we were plays, so we're going to have a week of lovey-dovey creampie threesome sex while our parents are away. Rimu Yumino

The movie explores a scenario where three long-time childhood friends, Rimu, Koichi, and Tomoki, decide to spend a week together at Rimu's house while their parents are away. As they grow closer, they develop romantic feelings for each other, leading to a polyamorous relationship. The story revolves around their experiences, desires, and emotions as they navigate their new dynamic, creating a complex web of intimacy, trust, and friendship.