iirc they are 4 years apart so it's actually like two highschool students' relationship atp (not romantic). they share a familial bond, imo very comparable to that of the bond j had with the older female hunter he calls auntie at that moment. j is sayoung's savior and also a brother figure he admires while sayoung becomes the thing that makes euijae's days a lil better amidst the Horrors. pls don't tergiversate their relationship like that.

NOT fuckin w the romantic vibe hes got goin on w a CHILD. ik this is the past but damn i hate this trope