She Would Never Know(2021)

Seonbae, Geu Lipstick Bareuji Mayo

Gentle in demeanor yet fiercely independent and competent, Songa is a top assistant brand manager at Klar Cosmetics who gets things done with a smile. Thriving in life, she is suddenly caught off guard by her charming junior colleague’s enigmatic warning, “Don’t put on that lipstick". Then an unexpected revelation changes everything.

(Source: WEBTOONS)