Why did you do that to me back then?

A transfer student who sided with his friend who betrayed him...

Wendy: Hey! So a girl who betrayed her friend because of love is a friend? You can't even apologize, but you're acting like the victim??

Solar: Hey.. why do you keep interfering?.. Did I betray you?? You're the only one mad at me!!!!! Don't you think about what you did??? You're so selfish!!!!

Ji-eun: Hey..

Solar: And... isn't this my choice?? Do I have to help you because of that??

Ji-eun: We've been friends for 6 years.

Solar: What is that?? Just because we've been close for 6 years, do I have to help you with love too?? I'm busy with my work too;;

Ji-eun: Have you always been nice to me?

Solar: Hey.. that goes for you too

Wendy: Hey Solar!!! Stop it!!! Stop it now, it's in the past and you were wrong!!

Rose: That's right, stop it!! You're a real bad kid!!

Solar: Rose...?

Rose: Huh??

Solar: You...were your best friend Rosé from kindergarten, right...?...

Rose: What are you talking about???

Solar: Yeldew Kindergarten...don't you remember...?

Rose: Yellow... Dew... Yuchi... Won...? Remember...

Solar: Rose... I missed you♡♡♡

Rosé: Nadung♡♡♡

Ji-eun: Rose...you...

Rose: Sorry, but I'll go with Solar...