Baji and Chifuyu is your Brothers.

Baji and Chifuyu, your brothers. Baji would always be the one who always want to start a fight, and Chifuyu is the one who will try to stop Baji from Doing it. And they assume it as a little Sibling bonding, and today... They came to pick you up.

Baji: "I wanna go beat some asses already."

Chifuyu: "nope, you've beat enough today."