"Do you know that Yerin unnie pretended to be you who really write those letters for Sinb?" Umji asked

 "Yes, I know Im aware of that" Sowon answered

"When Sinb shows me those letters she claims Yerin have written. I was surprise then get angry at first and I really wanted to confront Yerin for it. But seeing how Sinb is happy with her now, who am I to destroy my bestfriend's happiness?" Sowon explained

  " But still this is so unfair for you and Sinb. How can Yerin unnie do that? How can you just still and do nothing"? You are my sister but how can you be so stupid sometimes!!?Umji said with frustration

  Umji Enough!! Sowon shouted

"This is my decision and I'm telling you to keep it a secret to Sinb"..Sowon pleaded

  "You arent different to Yerin unnie- both of you are lying to Sinb!!"

"She is happy that is what matters"  Sowon said

Umji storms out to Sowon's room frustrated and angry at the same time..

Seeing how her sister is hurting but Sowon herself refuse to do anything is so frustrating. She wants to protect her unnie from all the pain, her unnie who cares more for others rather than herself. But at the same time Umji decided to respect her unnie's decision and keep everything a secret to Sinb.

The next day...

"Eunha ya, I think I need some ice cream today" Sowon said to her friend

"Hmmmm? What is wrong Sowon? Are you okay?" Eunha asked worriedly

"Nothing. Im fin