Does foreigner count as a smell?

No, in all seriousness though, he keeps himself pretty clean, but he does still do his physical training routine so there's usually a sweaty tinge to him. Do I need something more specific?

EDIT: Actually sweat would be interesting, everyone kind of has their own sweat smell so like really the only time Haru would be able to find me is if I've been sweating up a storm. Like there'll be times where he's just like "the hell did he go?" then other times he'll be like "oh there he is..."