AU. A miserably unemployed Yao is more than happy to make a long overdue confrontation with his stalker Ivan. But what begins as an innocent fascination soon spirals into a bloody affair when Yao gets caught up in Ivan's dangerous pursuit. With detectives Alfred and Kiku on their trail, will Yao and Ivan's crimes ever catch up to them? RoChu. USUK. Warning for gory violence.

Yao, despite wanting to go home, has to tutor Ivan for Mathematics. Ivan said only he could help him improve his grade, and because of this they stayed over the classroom. All alone. And Yao, who just wanted to work, had never expected the equation 128 e980 to mean something more! RoChu, Rated T.