Yada Chikako

The third protagonist. She's Atsuko and Yui's next door neighbor. She takes care of her sickly younger brother Asuna. She's a new secretary at a clothing design company. They make her dress up in an unusual outfit with a very short miniskirt and fishnet stockings.

Shortly after being hired she discovers that her uncle, who once tried to rape her, is the head of the company . . .