Tsuki No Waltz summary:

Contains 4 oneshots:1) Itsuka no Tsuki de AimashouWhen Riha goes to hospital to go see her father, who was just in an accident, she meets a boy, Nozomu-kun, who helps her find her way through the hospital so she can visit her father. After that day, they become great friends and possibly more…2) Tsuki no WaltzAsakura Nariko is the daughter of a wealthy family in the Showa era. As the successor of the family, she is very strictly educated to become a proper lady, and her teacher is Sawa Keiichirou, the son of her family's butler. To Nariko, Keiichirou is like a brother, or maybe even more than that, but it is her duty to marry the leader of another prominent family someday...3) Once a Blue Moon4) Petit Lesson - Sequel to Zenbu, Hajimete