Haruka Kiritani is a 17-year old girl in class 2-D, living in Tokyo, Japan as an idol, part of "MORE MORE JUMP!". Haruka is a strict and dedicated person, working in regular routines of rigorous workouts to stay at an idol's standard. However, due to her overly diligent nature, she has difficulty relaxing and giving herself a break. This dedication also applies to her studies. She restricts herself on sweets and pastries, which, in response, causes cravings. She also loves penguins.