Keiko Nadachi is a substitute weather-girl for Michiko Kawai yuankan.cc on J-TV. As a way of signing off, she hikes up her skirt and flashes her underwear at the audience. This move makes her an instant cult TV figure and a celebrity. Then Kaori comes back to work and an all-out war erupts between the two of them, with an old high school flame of Keiko's trapped in the middle.
高丽秀夫(东洋永利行配音)是一个不可救药的宅男,在他收藏的众多H漫画和美丽女孩作品中,“姐姐”是一个不可避免的主题。作为秀夫的妹妹,高石直秀(由羽村秀吉配音)对这样一个可怕的兄弟怀有深厚的感情,因此抓住各种机会有意无意地引诱秀夫。