Summary:

When she was about to start middle school, Nanako was faced with the death of her mother after already losing her father. Not having any relatives she started living in a temple with other orphans. Her father’s friend, Seitou Toujou, was always supporting her by sending money to the temple.

Now on her first year of highschool, Seitou proposes that she attend a prestigious school and live in the dormitory. Eager to start a new life, Nanako accepts his offer and moves to Teito Academy. On her arrival, she meets a nice guy who suddenly kisses her. Soon after, Nanako finds out that this boy is Seitou’s cousin, and above all, is her fiancé that she didn’t know anything about. Nanako’s exciting new life begins.