Two children of rival gangster families are betrothed to each other to ensure a truce. They dislike each other in the beginning, but over time they start to like each other.

Ichijo Raku is in high school. He does not appreciate violence and is studying hard in order to fulfill his aspiration to serve the public. Krisaki Chitoge is a transfer student and new at the school. She accidentally knocks Raku down. Normally, that would be that; except each is respectively the son and daughter of the local Yakuza gang. There is going to be trouble unless they act as if they are going steady. It is not going to be easy because they dislike one another.—aghaemi