After supposedly ending the gang conflict, Raku Ichijou and Chitoge Kirisaki maintain their fake romance. As Chitoge's opinion of Raku transforms, she starts to find him somewhat charming. Struggling with her evolving emotions, Chitoge faces a dilemma when a new contender enters Raku's circle of admirers, intensifying the competition for the yakuza heir's affections. Meanwhile, the quest to uncover Raku's first love and the enigmatic locket's secrets persists in Nisekoi:, seamlessly continuing from the previous season.