Drug Candy

Reassigned and demoted at work. Add to that a broken marriage and Seung-Gu's life is at an all time low. But along comes a smart and sassy girl by the name of Yul-A. Hard to resist and with no desire to resist, Seung-Gu slowly becomes addicted to the drug called Han Yul-A.

(Source: Lezhin US, edited)

Note: Chapter count includes a prologue.