My Canary, My Darling, My Lover

Kiku Oshiromoto is a graduate from Cross Academy but has returned to the school at 22 years old in order to become a teacher's assistant. As Rido finished with Zero and Yuki, he returns to the promise Kiku's father made him when his family was having difficulties. After revealing that they are fiances, Rido keeps Kiku in his grasp. She must decide what will become of her future.