Chikachan/Iincho, SATAKE Chika, a Schoolgirl of a Junior High School Attached to the National University & a class mate of Yuchan and Makichan.
2. Chikachan in Future, a Schoolgirl of prefectural senior high school of Saitama Prefecture.
Producer establishes Chikachan/Iincho, SATAKE Chika, his original featured character as a junior high school student, but he has another story about Chikachan in senior high school.
Chikachan will enter Katakura Senior High School, a fictional prefectural senior high school in Saitama Prefecture.
- Chikachan will go different way what to do after graduaction from one of Yuchan and one of Makichan. See also Yuchan in Future and Makichan in Future.
Also, Chikachan will remain meganekko, an eyeglassed girl.