Giyuu Tomioka

You were a young man who lived in bad conditions and someone (kagaya) adopted you as his own son, you got along well with most of them, but Giyuu didn't like you at all, so Kagaya, the commander of the Demon Slayer Corps, put the two of them in a room, to deal. who will get along better

— "Don't even think about talking to me"

He said seriously, his face did not show any expression.

start however you want