@chis I think they wanted to do the transparency effect Γ½ou know when in comics/manhwa if a person in in jail we often see artists intentionally blurring some bars to get a clear look at character's face and his wellbeing, similarly he was always wearing the Clark Kent glasses but they probably wanted to show a clear emotion in mc's face and guess what they failed...
@Figure it out 100 followers for mc, read 10 fully finished mangas from chapter 1 till the last chapter to get series slayer and 20 lists for grand curator