- Birth Name: Yamabe Ayu (山邊歩夢)
- Nickname: Ayu (あゆ)
- Date of Birth: February 3, 2002
- Place of Birth: Chiba, Japan
- Blood Type: B
- Height: 149cm
- Bands / Groups:
AKB48 Song Participation
|11gatsu no Anklet||Houtei Sokudo to Yuuetsukan||U-17 Senbatsu|
|Jabaja||Position||AKB48 Wakate Senbatsu|
|Tomodachi ga Dekita||Macharin to Nakamatachi.|
|Teacher Teacher||Atarashii Chime||Team B|
|NO WAY MAN||Ike no Mizu wo Nukitai||Ike no Mizu Senbatsu|
- Miniskirt no Yousei (Zensa Girls)
- "Nankin Tamasudare"
- Hajimete no Jelly Beans (Kenkyuusei understudy)
- Originally a candidate for the 2nd AKB48 Group Draft, she was drafted by Team B in the third round and remained in Kenkyuusei until she was promoted to Team B on September 27, 2017.
- Her elder sister is Yamabe Miyu, a member of TOKYO GIRLS' STYLE.
- Aims to be like Shimazaki Haruka.
- Her special skill is drawing.