Now that I have grown up, I want to forget everything and return to being a child. It seems that there is an adult kindergarten that meets the earnest desires of such a segment of society. Bab-chan, have you been outside yet? It's wonderful, truly wonderful. A kind and exemplary teacher, Kana-sensei, indulges you with childlike words and a disgusting body. Today it's time for exercise for a healthy penis.