Yui Amane's third exclusive! The first drama work is full of cuteness! For a few days staying at her house where I live with my sister, I can not stand the aggressive temptation of her sister's innocence and cuteness that I miss, and I secretly have sex so that she will not get caught .. Immature and sensitive premature ejaculation sister's lovable reaction rolls up from morning till night! Don't get caught! I and my sister escalate to the thrilling situation ...