Wang Chul did not bother with the dom-sub interaction. After all, he knew Min Jun attempted BDSM lifestyle and became a dom to help Chin Hae get rid of his addiction. There was never a physical relationship between Min Jun and Chin Hae, but their emotional bonding had always been strong.
When Kim Seo Bin started to fall for Chin Hae, he could not let his love suffer because of the Moon family. So he researched ways to deal with addiction and tried many of the successfully reported ways. However, no matter how many times Chin Hae got out of the rehabilitation centre, he relapsed soon after discharge. It pained Kim Seo Bin.
When Chin Hae was experiencing one of the worst withdrawal symptoms, Yama was there. The stern rejection and command from Yama made Chin Hae follow the order and behave. As a result, chin Hae stopped asking for drugs and endured the withdrawal craving well. Everyone was surprised, and Yama did some research on it.
