Cool Shock Old B.T.

Cool Shock Old B.T. (魔老紳士ビーティー) is a one-shot manga written by, author of JoJo's Bizarre Adventure Over Heaven, and illustrated by , author of . The one-shot takes place 60 years after the events of Cool Shock B.T. and stars an older B.T..

Summary
Sixty years after Cool Shock B.T...!! An old man appears in front of Koichi and B.T...?!