Miyu moves in temporarily with her uncle's family to prepare for college entrance exams, taking over household duties in place of her late aunt. As daily life unfolds, she gradually develops romantic feelings for her cousin, Takeshi. Though she becomes aware of his minor acts of hidden camera filming, she still hopes to build a mutual relationship with him. However, their bond is soon put to the test—when, as a solution to Takeshi's mounting debt, Miyu is forced to offer her body in exchange…?!