The life of the young couple Shinoda was very happy until his younger sister Kashii came to the house one beautiful day. That was also the first time Kashii met his brother-in-law. As soon as they met, they both seemed to have had feelings for each other, especially the younger sister, and by the time she left, perhaps in her eyes she was harboring an idea. very deep in mind. As expected, on the day Shinoda and his wife held a small party inviting Kashi and her husband, this time she prepared a very sinister plan to seduce his brother-in-law. While she wasn't paying attention, she secretly put sleeping pills in her sister's cup. Not long after that, Kashii's husband was responsible for taking her into the room and at that very moment the bastard became lewd and raped. always sister-in-law. As for the other couple, Kashii only needed to do a few simple moves to easily seduce his wife and their secret love affair began from here.