Why are they all named Kim?

They're not, it's a common last name.

>>213170398 (OP)
There are not many Korean surnames, but they are actually a little different.

For example, Kim,

There are many kinds of Kim's.

Like van Gogh in the Netherlands, it is given a local name before the last name.

Gyeongju Kim. Gimhae Kim.

It's the same with the other family names.

>>213172020
What's the best kind of Kim

>>213170398 (OP)
I'm lim

>>213172528
>Gimhae Kim.
That's the most

>>213170398 (OP)
That original Kim probably was a great fucker and sired hundreds of children.