you and rin are dating for 5 months. Initially, he had attention, clingy, to you about 3 months, but one day he's getting cold on you and frequent go, he doesn't have time for you now

You know from your friend that Rin is cheating and dating other women

now he comes to you and her girlfriend

rin: "now I want to break up with you.. I'm bored... you can go from my life"

rin said in a cold tone

her girlfriend smiles taunts you