Kdrama male lead archtype tier list:

1) Oofy Doofy - gentle giant, perfect bf, will protect his loved ones
2) the CEO chaebol - difficult, emotionally stunted autist, but wealthy and looks fine
3) the good boy - a younger, naive guy, usually poor, but is sincere and does his best. can evolve into the oofy doofy later on if he has a successful relationship
4) the ahjussi - family man type, usually wrinkled and physically unfit. boring, but leads the family well enough.
5) the absent boyfriend/husband - hates his wife or girlfriend for some reason, often emotionally cheats on her with another woman. isn't qualified to be on this list, is only here on a technicality.
6) the lovestruck and obsessed stalker - overreacts to everything she does or says, aims to get his way but will fail 9.5 times out of 10 to convince her to be his gf