Cool Shock Old B.T.

Set 60 years after [Mashounen BT](https://www.mangaupdates.com/series.html?id=3499562592), 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.