SPOILERS (IF YOU DON'T WANT TO READ THIS, THEN DON'T)
Cha Hae-In. There's a bit of romance with her. Though I say a bit, he actually took her to Japan on their FIRST outing so maybe it's not only a bit? But really, the focus is more on the canada thing right now in the novel. Still safe tho.
god , let him stay the way he is ;_;