A story about the girl Noa Eikawa after her mother went one step further, but unfortunately for her married a perverted eager old man, when her mother went out to the market to prepare rice and water, he took advantage of the house to rummage through his wife's daughter's underwear, accidentally let her daughter find out. But she didn't dare to do anything, because he was also her stepfather, and also because he knew that his daughter found out about his perversion, he became more and more perverted to the point of raping his wife's daughter.