Haru Onodera (小野寺 春, Onodera Haru) is the younger sister of Kosaki Onodera, and daughter of Nanako Onodera. She is one of the main supporting protagonists of the Nisekoi series. She is introduced as a freshman, as well as an underclassman of Raku and the gang, who would willingly protect her older sister's purity from Raku, whom she thinks of as a womanizing gang member. She is also classmates with Fuu and Paula McCoy.