Chiba Yui (千葉祐衣) is a former first generation member of AKIHABARA Backstage pass. She graduated from the cafe on April 30, 2012.
In late December 2013 and early January 2014, Chiba returned for a few AKIHABARA Backstage pass events. She was being referred to as a "short-term cast" member.
- Name: Chiba Yui (千葉祐衣)
- Nickname: YuiYui (ゆいゆい)
- Birthdate: July 21, 1994
- Blood type: AB
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