Biceps Brachii King

Biceps Brachii King (上腕二頭キング, Jōwan Ni-tō Kingu) is an artificially created steroid drug developed by Fukegao. It is strawberry flavored for easier ingestion.

Overview
Biceps Brachii King enlarges the user's muscles so that their body mutates into a gigantic form of immense proportion. The only known user is Marugori.