つむぎは、リング姫の元を訪れる。まだまだ知らないことがたくさんあると言うリング姫。つむぎはそんな彼女に「いろんなことを教えてあげる」と言い、次の日のお昼に会う約束をした。つむぎはもっといろんなことを勉強するため、ムギちゃんの姿でパラダイス学園の図書室に行く。リング姫にもっとたくさんのことを教えてあげたいと張り切るつむぎ。しかし本に夢中になるあまり、リング姫との約束を忘れてしまい……。
Tsumugi visits Princess Ring. Princess Ring says there is still a lot she doesn't know. Tsumugi tells her she will teach her many things and they make a promise to meet the next day at lunchtime. In order to learn more, Tsumugi goes to the Paradise Academy library disguised as Mugi-chan. Tsumugi is excited to teach Princess Ring even more. However, she becomes so engrossed in the book that she forgets her promise to Princess Ring...
Tsumugi visita a Princesa Ring. A Princesa Ring diz que ainda há muito que ela não sabe. Tsumugi diz que vai ensiná-la muitas coisas e elas prometem se encontrar no dia seguinte na hora do almoço. Para aprender mais, Tsumugi vai à biblioteca da Academia Paradise disfarçada de Mugi-chan. Tsumugi está animada para ensinar ainda mais à Princesa Ring. No entanto, ela fica tão absorta no livro que se esquece da promessa feita à Princesa Ring...
