| occupation = [[Chonenten Acting Company]] member
| nicknames =
|aliases = B-Ko (stagename)
|status = Alive
| first-appearance = Anime: [[The Cost of Likes|Episode 944]]
| appearances = {{:B-Ko Appearances}}
| cases-solved = 0
| japanese-voice = [[Ayano Hamaguchi]]
| english-voice =
| footnotes =
}}
An unknown member of the Chonenten Acting Company known under the stagename '''{{nihongo|B-Ko|B 子|Bī-Ko}}''', and a character in the anime franchise ''[[Detective Conan]]''.