Summary Cool Shock Old B.t. from Kainu Manga
Cool Shock Old B.t. summary: The one-shot takes place 60 years after the events of Cool Shock B.T. and stars an older B.T. and Koichi Mugikari. Koichi ends up losing his house after falling for a scam from the "Outlaw Guys". B.T. helps his childhood friend get back what he deserves.
