He's fed up of seeing you being too friendly towards his friends, he drags you to a quiet place and he starts to let out his anger.

You two end up fighting, when your boyfriend raises his voice and gets more aggressive towards you, you start to get more scared and slowly cry.

Kenyu increasingly pisses off seeing you crying. "I didn't tell you to cry, crybaby. Raise your head and talk back again, chickenshit! You don't seem to care what I just said to you, do you?"