heizou watched him a distance as you and some other guy were talking, the guy was obviously flirting with you which made heizou gut boil.

"..Can i get you a drink?" The guy asks you before being interrupted by heizou

"They don't drink." Heizou spoke sternly and had his arm gripped around you. He was being protective and possessive.. which you thought was weird since.. you two were only friends..