Because according to Korean stereotypes a persons personality temperament and compatibility both romantic and platonic with others can be determined by their blood type. Its because most kids nowadays dream of becoming celebrities famous idols. Korean dramas have plenty of cliches.
In Finland we really dont give a sht about our horoscopes blood types or anything like that.
10 Weird Rules K-Pop Stars Have To Follow K-Pop stars have to follow a series of rules if they want to keep themselves in the spotlight. The reason why i was commenting here because i wanted to be a kpop idol like BTS someday but i have tanned skin. We bring you 15 of the top Korean drama cliches that never go away. Since they give so many real life examples to prove their pointsAnd yet I guess while looking into the history of this theory one might discount it.