【SOD女子社員、総務部秘書課 守屋よしの 初めてドラマに挑戦！】ある日、弟が大きな荷物を抱えて突然やってきた。 自由奔放な彼に振り回されながらも、姉は放っておけず、同棲生活がはじまった。だが、とあることがきっかけでオナニーを手伝うことに。姉弟なのにどんどんとエスカレートしていき…

[SOD Female Employee, General Affairs Department Secretary, Yoshino Moriya, Takes on Her First Drama!] One day, her younger brother suddenly shows up with a huge amount of luggage. Despite being constantly thrown off balance by his free-spirited nature, his sister can't leave him alone, and they begin living together. However, a certain incident leads to her helping him masturbate. Despite being siblings, things escalate rapidly…