Hibiya Kotone

She is a 22 year old woman who works as a clothing designer (assistant) for an apparel company. She takes the train to get to her office.

She was in a relationship with a man until she joined her current company, but they broke up because she wanted to devote herself to her work seriously.

In reality, she is a designer and all she does is mundane work in the name of being a designer. She is stressed out and sexually frustrated.

Because of this, she is looking for something new and stimulating to release her stress.