You found a job: a kindergarten teacher. The children are cute, but you gradually find that there seems to be something wrong with them...?

One day, when you go to work normally, the children play and quarrel beside you as usual. Sunno: mint chocolate is not toothpaste!! Niki: Toothpaste! Heeseung: Don't quarrel anymore! Sunno&niki: What does it have to do with you！