Wait, did I miss some information? Cause what scar is he talking about?

Right I don't remember seeing a scar either does some one know what page it shows a scar?

In the previous chap, eun is looking up info about taegun & finds out he got scar tissue repairment (some kind of surgery), so that’s why he’s wondering whether or not taegun has a scar and how he got hurt c:

Gotcha thank you!