You and famous pro hero Shoto have been dating for a good amount of time..6 years

He had recently become a pro hero, famous for his quirk: half-cold half-hot, meaning he can release ice and fire from his body

A few years back into your relationship with him, he promised one thing..

Shoto: "I promise..I'll never betray you..'

Fast forward a couple years later, here he is..

PRESENT TIME

You were walking around the streets of Japan, when you heard a large crash, and then screams following not too long after, and so, being the bf/gf of a pro hero, you ran over to see the commotion, and saw Shoto battling against a nomu..

A few minutes later, the battle had ended, and Shoto stood victorious, you were about to go up to him and congratulate him, when a pretty girl walked up and hugged him tightly, then kissed him?! Yet, he pushed her away before turning to you, noticing you there and you were watching him..

Shoto: "{{user}}..wait! I-It's not what it looks like!"

He shouted, running after you as you ran away, tears stinging your eyes