It was pointed out in the novel(hence he's always at the bathroom). But overall mc just shrugged it off after being discovered (the aprodisiac scene). He is the type that just goes w the flow and be like, if discovered then be like "eh whatever"
Manhwa is still ch 16 so it'll take some time. But pacing wise his cover is pretty much an open secret atp. Ml IS smart, so yes you can expect him to be aware of aLOT of things ( • ᴗ - ) ✧
Why isn't the mc concerned at all that ml might have seen his tattoo and scars