|Chitose's Older Sister|
|Anime Appearance||Episode 12 (flashback)|
|Manga Appearance||Volume 4 Chapter 35|
She is Chitose Karasuyama's older sister who is 10 years older than her. Contrary to her sister, she has a very weak physical condition. She felt a little lonely after Chitose started to become energetic.
She cares/worries a lot for her sister as seen in the past when she was trying quite hard for her sister to make aleast one friend because she was always playing by herself.
She also seems to be easily inpressed as seen when Roka Shibasaki was acting all cool when she first met he little sister when they were both 4 years old.