"Are you the one who killed Suili!?" Yoona asked

"No,of cause not!I'm her best friend"

"But someone saw you secretly following Suili!" Asked Seohyun

"Yes,I did! It is because Suili was scare that Hara will take revenge on her so she asked me to follow her so if somenting happen,she have backu.

"Ohhh! OK,sry for misunderstanding about you!"said Yoona sadly.

At the corridor...

"We must go back to the toilet to investigate clues" said Seohyun anxiously.

"Yes, we must!" replied Yoona

At the toilet...

"Look,Yoona there is some hair cream..

"Ya,and Hara would only use hair cream....

"But how it will get there?Maybe?"

Imagination Flashback (At the toilet)

"Yo,Suili!"

"HARA! what do you want from me?"

"Nothing,Just revenge!

"Umm,I'm sorry hara..pls don't hurt me!

Hara took a knife out from her bag and tries to kill Suili but Suili grabs her hair..The hair cream  sticks on Suili's hand!

End of  Flashback...

"Maybe it is! I can't belive  she lied to me! I will trust her anymore!

"Don't be mad Seohyun!At this time we have to find who is the killer!

"Bye,Seo I have to meet Luhan.

At sweet treats cafe...

"Hi,Yoona! I'm glad you make it in time!"🙉

"Of cause! What do you want to tell me anyway?"

"Umm, you see I don't really like Krystal anyway..So I told her I have a new girlfrien