Natsuki, a high school girl, bravely continued to live alone even after her parents passed away one after another. Although her uncle's house, which is full of men, repeatedly offers to live with her, she is too scared to go to her relative's house, where he usually looks at Natsuki's big breasts with lewd eyes. However, she was noticed by her relatives who lived in the same apartment building, and she was threatened and forced to do erotic things every time...
