-InfiGirls side- "Are you sure you gonna do this??"said sunny "Trust me i know what i'm doing,Sunny"yubin said The both of them were putting a pail of blue paint infront of their homeroom class.The victim of the trap was suppossed to be Ji-eun.The setting of it was so simple,once the door open the pail titled and landded on the person who walked in.But what the both of them didn't know it's that someone was watching from the back door,and that someone is Sandeul and MinzyThe both of them quickly run towards Ji-eun and informed her about the trap that Yubin has made.Suddenly a grinning face appear on Ji-eun's face."Yah,what are you thinking of??"asked Sanduel."Well changing the setting trap like the...Let's go"said Ji-eun well walking towards her homeroom class with Sanduel and Minzy.The setting of the trap has changed instead of when the door open the pail will spilled but the way of how Ji-eun set is completely different 100% different.The school bell rings,the students was walking towards their homeroom class.2ne1 and B1A4 not include Jinyoung and Ji-eun walked in the class.On that time InfiGirls was walking towards the homeroom,Ji-eun quickly run in the class with Jinyoung.Ji-eun told one of the student,named Kim Min-ji which near to the door to hold a string and once Yubin came in let go of the string,Kim Min-ji nodded her head.The door swing open and it appear InfiGirls,Ji-eun was grinning the whole time.Once Yubin stepped in the class,Kim Min-ji let go of the string and let a screamed voice was being heard "AHHHHHHHH!!!!MY SHIRRTTTT IT'S BLUEEEEEE!!!!!!"The whole class was laughing towards Yubin.Yubin quickly ran out of the class due to her embrassment.Ji-eun was laughing really hard until she fell down from her chair."Mission 1 SUCCESSFUL next up mission 2"Ji-eun thought.