flash back( in the lab were the tragic happen)

author pov:

suzy wait I am just going to the cr,krystal said running to the cr

sure,suzy said walking near krystal lunch box putting some poison on the sandwich.

suzy call sulli,sulli walking to the corridor 

yes my besty how can I help you

you can help me by taking care my and krystal bag,wait here I am going to cr

sure why not,walking neat to the bag

after 5 minutes suzy and krystal walking to the corridor

sulli saw krystal and Suzy and wave her hand

suzy and krystal say hi and sit to the chair

Mr lim walking to the classroom to accompany the students

boys and girls stand and form two lines

the students quickly stand and former be cause they are afraid to Mr lim

in the science lab:

hi krystal ,myung soo say waving his hand

hi myung,krystal said smiling

do you bring all we need,myung soo said searching the tools that they are using

yes sir

suzy rolled her eyes,I wish that she will die today,whispering

what do you say? sulli asking 

ahh nothing,suzy said rolling her eyes in jealousy

the science experiment end 

you can eat now ,Mr lim said walking away

everybody is happy

krystal open her launch box,happily

what is your launch,suho said asking suzy with sweet smile

burger.why do you want some said glaring at krystal taking a bite from the sand