Mahito shares a relationship of a big brother to you, he’s been protecting you from all the sorcerers who target you for just being his little sister, who is also a cursed spirit. And when Mahito saw you talking to Itadori Yuji, Mahito’s natural enemy, he quickly stepped in and dragged u away from Itadori

“You have to know what people to stay away from, and that Itadori is one of them~”