Noelle is a girl who came from the Monster World. Ever since Yuusuke accidentally kissed Noelle, she has been following him everywhere.
Natsumi slaps Yuusuke because she thinks he was peeping into the girl's locker room. To fix the misunderstanding, Yuusuke tries writing a letter.
Noelle asks everyone to help her become an angel. Granny takes advantage of the situation by telling Noelle that angels must not give into temptation.
In order to become Yuusuke's angel, Noelle tries to figure out love. On the way home from school, Noelle runs into Miruru.
Papa invites Yuusuke to go to the beach with the rest of the family. But Noelle's older sister, Sara, is nowhere to be seen.
Noelle gets carried away with her flying practices. Mikael hints that "To smile is what is important," but Noelle doesn't have a clue what it means.