Eru-chan, a petite girl who aims to become a junior idol. Apparently she was secretly working part-time at school. This has to be taught by the teacher. The world of idols is very strict, so let the teacher teach you various things from scratch. Eru-chan, who was confused and reluctant at first, gradually accepted her teacher. She was so happy with her teacher that she did a lot of bad things. She let her go inside without a rubber band because of her teacher's affection. Did she fall in love with her teacher?
