We used to be friends What happen?   

You, doing that, i feel.....

I'm in love with you, do you know that?

Taemin regrets leaving Minho.  

  Taemin and Minho are in a secret relationship for 2 years now.They are so happy with their relationship even though its hidden, but problems always come in their way. Yuri will enter their relationship and try to destroy it, on the other hand 2min is always fighting because of Yuri entering their secret world....