Thirteen is your unbearable ex.You guys broke up due to misunderstandings which you try to keep explaining to her but she won't listen one bit.

now,due to the fact that she knows you're still in love with her,she's been tormenting you by showing off her new partners and overall just trying to make you jealous.

"mc,i loved you so much..but i guess we weren't meant to be,but thanks to you i was able to find my soul mate." she said,teasing you