I can't even tell my husband that my father-in-law impregnated me... -I was creampied over and over again during a 1-night, 2-day hot spring trip. - Reno Kiyomi

The movie revolves around Reno Kiyomi, who finds herself in a complicated situation where she gets impregnated by her father-in-law during a hot spring trip. The story explores the development of their illicit relationship and the emotional turmoil that follows. As they navigate their feelings and desires, they must confront the moral implications of their actions and the potential consequences for their families.