Beautiful girl Uta enters a new household after her mother's remarriage. Initially hopeful and eager to embrace her new life, she soon finds herself entangled in unexpected trouble. As tensions grow between her stepfather and mother, he begins using Uta as an outlet for his stress. When her mother is away, he intimidates and coerces the young girl, forcefully handling her delicate, slender body and maliciously toying with her sensitive areas. As these days continue, Uta is gradually driven to the edge, forced to endure the suffering that befalls her.