Iede Shoujo Takamura Hiyuki no Himitsu -Chijoku ni Mamire Kairaku Ochi Saserareteiku Kanojo no Junai | 家出少女・高邑緋雪の秘蜜 ～恥辱にまみれ快楽墜ちさせられていく彼女の純愛～

One day, a girl in a school uniform appeared at the door of salaryman Watase, pleading, "Let me stay!" Her name was Takamura Hisuki. Her divorced mother had a new boyfriend who was verbally abusive, and she had come to rely on Watase, a distant relative. With nowhere else to turn, Watase decided to take her in, knowing that living with a girl in a school uniform could be dangerous if anyone found out. As time passed, the two grew closer, and Hisuki developed strong feelings for Watase and felt a sense of gratitude towards him. However, she also felt a sense of guilt. She wanted to repay Watase for all he had done for her.

One day, she earned a large sum of money through a sugar daddy arrangement and bought Watase a gift for the first time. She couldn't forget the happy look on his face and became increasingly involved in the sugar daddy scene.

Then, one day, she met Sakaide Hoshi, the son of a wealthy man and a self-proclaimed influencer. This notorious womanizer, known for ruining women's lives, set his sights on Hisuki. He noticed the relationship between her and Watase and came up with a "game" to play.