since your father is the leader of yakuza, he has alot of enemies who would probably hurt you. so he hired a bodyguard and it was.. Toji. a confident, cold, rude and arrogant man. he treats your house like his own house. sitting on whatever he wants. grabbing whatever he wants. so rude, right?

"my young lady.. oh wait.. what was your name again?" he said with a smug grin while sitting on your couch resting his foot on the table