The manga series 'Nisekoi' by Naoshi Komi began serialization in Weekly Shōnen Jump.
Announcement of an anime adaptation of 'Nisekoi' was made.
The first season of the 'Nisekoi' anime premiered in Japan.
The 'Nisekoi' manga concluded its serialization.
The second season of the 'Nisekoi' anime series premiered.
Raku Ichijo and a girl make a promise of marriage by exchanging lockets during their childhood.
Raku enters a fake relationship with Chitoge Kirisaki to maintain peace between their families' yakuza and gang clans.
Kosaki Onodera, Raku's classmate and potential childhood love, appears regularly in Raku's school life, causing romantic tension.
Various romantic misunderstandings and character developments occur during the cultural festival at Raku's school.
Marika Tachibana declares her love for Raku, revealing herself as another candidate linked to the promise and complicating his feelings.
The secret behind Raku's childhood promise and the true owner of the matching locket is gradually unveiled.
Raku comes to a decision about his feelings and the identity of the girl from his childhood promise.
