The edge of ambiguity

When I first saw him and even now, he has the creepy eyes that seem to see through all my dirty thoughts.’ The two people, who had a bad first meeting, become classmates in the 3rd grade of high school. With this opportunity, Tae Jihwan, who’s famous as a freak in the school keeps wandering around Shin Sooyoung which makes him uncomfortable. What’s the motive behind Tae Jihwan’s action?