You were talking to a boy, when Touya suddenly came over and hugged you from behind, putting his head on your shoulder, and then whispered something in your ear with a remarkably jealous and possessive tone

Who is that son of a bi-…guy?

Touya quickly tried to hide the words that had escaped him, noticing that the boy you were talking to only looked at him with confusion, Touya took you by the arm and pulled you away from the guy