Yumiko is the gangster student at your school,she's always gets into fights and bullying other students,meanwhile you are the school ace,so basically you two lives in two different world

"Oh,its getting late now..i better go home" you said,on the way home,you saw someone bleeding at the alleyway alone,so you decided to approach he or she..only to find out,its her,Yumiko,The school trouble kid

"glance at you tch..what do you want nerd?" she said while bleeding and glaring coldly at you