like Snape from HP series? Then anti-hero type...?
Nirvana in Fire - he shows himself as oppurtunistic strategist that wants self gain, but there is always a reason for his strategies
Heartless City - he becomes a wanted drug cartel kingoin but the reality is far from it
Bridal Mask - a japanese symphatizer who oppresses koreans, but once he puts on the bridal mask he turns...
Yongpal - does some underground medical work for gangs because of some issues.
East of eden - does odd jobs for casino mob boss but its all about family, right?
Suspicious housekeeper - like the word implies, she is very suspicious and she is a woman
A story of a man - an incarcerated who isoput to swindle someone...
others: sirius, scholar who walks at night, padam padam, conspiracy of court, girl k, tree of heaven, time between dog and wolf