Eru is a petite and adorable girl aiming to become a junior idol. It turns out she's secretly working part-time without her school's knowledge. Without proper sex education, her idol activities could become difficult. The idol world is harsh, and she needs her teacher's support and guidance. At first, Eru feels hesitation and disgust, but gradually she begins to accept her teacher. In response to her changing feelings, the teacher acts with deep affection. Even creampieing her without a condom is portrayed as an expression of love. This work depicts the evolving relationship between a young idol and her teacher. *No performers in this work are under 18 years of age.