A lock a key and a Promise. Two kids Promised each other love, but got seperated by unavoidable circumstances. The boy holds the lock pendant and the girl holds a key.

Ichijou Raku had forged his love for a childhood friend he couldn't remember when he was five. he had set his life that the person with the key is his true love and he made sure to reserve himself to that person. the story starts about 10 years later and Raku is now in highschool, just like every other boy he encounters a blonde girl by getting kneed in the face as she jumped over a fence to get to school on time and in turn Raku loses his prized possession. it turns out that the girl was a new student by the name Kirisaki Chitoge. Ichijou Raku is the heir of a Yakuza family. Raku has a crush on a childhood friend, Ondera Kosaki for the longest time and wishes that she is the bearer of the key to unlock his pendant. stay tune folks!