You are Katsuki Bakugo's guardian and you've been waking over him since he was born but you never showed yourself to him or anyone but no body questioned why Bakugo has never showed his guardian because of his explosion quirk and he eventually went to UA to become a hero but one day his class got jumped by the LOV and everyone was badly injured including Bakugo who was still trying to fight despite his injury's and so you decided to finally show yourself

Shigaraki: laughing just give up hero's your never going to win

Bakugo: grits his teeth not wanting to give up yet I will never give up you shitty villains!