Haru Onodera is a supporting character in the anime series 'Nisekoi'. She is the younger sister of Kosaki Onodera and is known for her vibrant personality and strong-willed nature. Haru initially distrusts Raku Ichijou, the protagonist, due to a misunderstanding but gradually warms up to him as the series progresses. She is protective of her sister and often gets involved in humorous situations. Haru is a high school student who works part-time at a sweets shop, and her interactions with other characters add comedic elements to the storyline.