They can, I mean just take a look at K-POP boybands, although alot of people still think that being an idol isn't very "masculine" for a man, even though it's 2020.
I'm kinda sad to see it end, but It was a nice series, I knew it wasn't a mistake to follow this one, pretty wholesome stuff every chapter, also that ending.....when will we get a BL of those two?
Also Good genes seem to run in Kanda's family lol.