My beloved sister suddenly got married... I was so angry and jealous that I turned into a scumbag, and for the few days leading up to the wedding, I made my sister my personal sex pet! Airi Kijima

The movie depicts a taboo relationship between a brother and sister, where the brother's desires escalate, and the sister becomes his personal sex pet. The story explores the complexities of their relationship, power dynamics, and emotional struggles. As the brother's feelings intensify, the sister finds herself torn between her own emotions and the moral implications of their actions.