Haruka Saigusa is a vibrant and energetic character from the visual novel and anime series Little Busters!. Known for her playful and mischievous personality, Haruka often finds herself in humorous and troublesome situations. Despite her cheerful exterior, she harbors a complex past involving familial issues and a strained relationship with her twin sister. Throughout the series, Haruka's character development explores themes of forgiveness and self-discovery. As a member of the Little Busters, she contributes to the group's dynamic with her lively spirit and unwavering determination, making her an integral part of the story.