Off Limits!

Song Yoonjoo is an ambitious woman who is highly recognized at her work. She avoids having any kind of love affair in the office, yet a guy named Koo Jaehee, someone she ran into on the street and found attractive, joins her team at work as a new member. Since then, she finds herself slowly falling in love with him, and an emotional tug-of-war at this workplace starts between the two.

(Source: Pocket Comics)