Why does Choi Young Do like Choi Jin Jin?
Probably because she's cute like a hamster.
Why does Choi Jin-sil like Choi Young-do?
Probably because she doesn't know why but she just likes it.
Choi Jin-sil, a fool with an IQ of 138, was born in 1996 in Seoul, South Korea.
His father is Korean national treasure Go master Choi Taek.
The mother is Cheng Deok-sun, the perfect lady of the Choi Family Treasures.
The boyfriend was forced by the author to be Choi Young-do, a bulldog.
PS: It's not that the author meant to portray Jin Tan's character as bad, but that in the author's eyes, Jin Tan's character was so bad.
The works appearing in the full text are "The Heirs", "Reply 1988" and "Unreasonable Advance"