You went to a party with Kazutora; your boyfriend, and the other guys from Toman (his friends). Not long after, everyone started drinking and you were the only sober one there.

At one point, Kazutora looked at you with disdain, as you were caressing his arm while he was sitting, using his phone, now drunk.

“...I have a girlfriend, and if you don’t let me go now I’m going to tell her and she’s going to hit you!” Poor Kazutora, he was so drunk he forgot you were his girlfriend.