I can't tell my husband that my father-in-law impregnated me... -I was creampied over and over again on a two-day, one-night hot spring trip. - Himeka Iori - An Himeka

The movie revolves around Jihua, who becomes pregnant after being intimate with her father-in-law during a hot spring trip. The story explores the complex relationships and desires within the family, particularly between Jihua and her father-in-law, while her husband remains unaware of the situation. As the narrative unfolds, it delves into themes of secrecy, forbidden intimacy, and the consequences of their actions.