I was just thinking about this! Haha. Forgive me, but I can't help you with this. I'm just really hoping it resurfaces in what few chapters we have left and definitely in JH's POV. Maybe in the privacy of his rooms, JH deigns to gaze at YO's face with longingness.
Anyways, here's a funny one from that time: https://imgur.com/a/6gwJx1T
Not sure if this is by eeej: https://imgur.com/a/lbmKcN5
Unfortunately I couldn't find a good one for the one in the manhwa but I found this tiktok that showed the magnet sets in higher quality that appeared in the series
https://www.tiktok.com/t/ZPRvEe6Hw/
And this on google where it previewed the merch, which is the closest hq I can find sadly
https://imgur.com/a/FzC8tRR
Does anyone have the link to both of the HD photobooth pictures of yeonoh and jaehyuk merch? I can't find it