This is a story about Iris, a girl who learned that her younger sister is being transferred to her school, and will live with her until the end of the semester. Despite the fact that she never met her sister, Iris is going to catch up, and make friends with her, and, more importantly, show her reliable character, as the elder sister in the family.
Unfortunately for Iris, things did not go as planned.
Zoe, younger sister Iris, a tall young woman who is not afraid to skip class and defame others. Zoe has little respect for authority, especially when it comes to trying her "older sister" to make friends. And, when it seemed worse already, the sexual tension begins to build up between them ...