Maejima Kayon (前嶋かよん) is a former first generation member of AKIHABARA Backstage pass.
- Name: Maejima Kayon (前嶋かよん)
- Nicknames: Yonyon (よんよん), Yon-chan (よんちゃん)
- Birthdate: December 30, 1992
- Bloodtype: A
- She has a thin waist 53cm
- She is figure skater She has participated in the all university competition.
- She is good at song and dance She can copy of Hello Project songs.