One of the main antagonists of [[ryuu_ga_gotoku_6]] 

In [[ryuu_ga_gotoku_7]] he's the second in command of the Korean faction Geomijul in Yokohama and in Chapter 10 joins Ichiban's party.

[spoiler] If completing his drink link he reveals his real name is Yeonsu Kim and he is the body double of the original Han Joon-gi. After much speculation how the original was killed in [[Ryuu_ga_gotoku_6]]. For this please use [[han_joon-gi]] for both to avoid spoilers. [/spoilers]
han joon-gi