Chitoge is a half-Japanese transfer student from America, and the daughter of the leader of the Beehive Gangsters. She is annoyed by Raku, who calls her a gorilla woman, but pretends to be in a relationship with him in order to prevent their family gangs from going to war.[ch. 1-2] Ten years before, Chitoge makes a promise with a boy, but does not realize it could be Raku until she finds a key that could potentially unlock his locket.[ch. 21] She develops feelings towards Raku, and becomes jealous when girls such as Marika show open affections towards him.[ch. 35] Eventually, she realizes that she truly likes him, and changes her internal attitude.[ch. 49,51]She is very smart and capable at almost anything, but she is a terrible cook. She and her mom used to have a "cold" relationship until Raku helps them reconcile with each other on Christmas. She owns a Diary that could help reveal the truth about the past.

Nisekoi (ニセコイ, lit. "Fake Love"), released in English as Nisekoi: False Love, is a Japanese romantic comedy manga series written and illustrated by Naoshi Komi. Nisekoi was first published as a one-shot manga in Shueisha's seasonal Jump NEXT! magazine before being serialized in Weekly Shōnen Jump. Since November 26, 2012, Nisekoi has been published in English in Viz Media's digital magazine, Weekly Shonen Jump. As of April 2015, the series has been compiled in 17 tankōbon volumes in Japan, and is also being released in English in digital and print volumes by Viz Media. The manga has inspired a novel series, titled Nisekoi: Urabana, written by Hajime Tanaka and published by Shueisha. There have been two volumes published, on June 4 and December 28, 2013.