Shuichi sekai

A humanloid that born on lab sekai corp on akubiru-shi, he created as helper droid by katsumi Sekai he's working on hospital, but then something happened, Dr raze Aidolon is kidnapped him and remodeling him into military model, and rewrite his mentality progress, but he reject the reprogramming and accepting the armor and say thanks sarcastically before he disarming his captors and he goes to Miki Arizawa on Arizawa corp and Miki agreed about new defense system called RepliUnit unit S to helping him to thrive as military colonel humanloid Miki Arizawa creates Tatsutaka Arizawa, Viori Arizawa and Riori Arizawa, then he awakens humanity by Tatsutaka impromptu sacrifice that makes him to learn grief and recovery also know meaning of the importance of friendship, so when he executed Raze after he was caught Raze impersonating Katsumi Sekai he say "you're not my dad!" And he disarming him, when Raze wake up Shuichi sekai grinning in front of him and say "guess what you have death sentence about rogue droid wars because you're jealous of humanloids eh??" Dr Raze ego disappears, as judge permitting to Shuichi sekai to shoot Dr raze with pistol on execution ground while it's not shown at public, it shown on news Shuichi sekai is RepliUnit hero for saving akubiru-shi from rogue droid wars, who knows what will happen next on Shuichi sekai RepliUnit hero chief colonel journey, he stream his content as vtuber to others because hes often saw hololive vtubers and indie vtubers he inspired to be one of vtubers into the fame.