Nisekoi

From Viz: It’s hate at first sight or rather a knee to the head at first sight when Raku Ichijo meets Chitoge Kirisaki. Unfortunately, Raku’s gangster father arranges a false love match between Raku and their rival gang leader’s daughter, who just so happens to be Chitoge. Raku’s searching for his childhood sweetheart from ten years ago, however, with a pendant around his neck as a memento but he can’t even remember the girl’s name or face