Stockholm Holiday

Lee Ju-Yeon, the granddaughter of the chairman of K Corporation, is kidnapped by Choi Hyun-Ho, disguised as her driver, while on her way to vacation. Waking up in a deserted place, her initial panic quickly fades as she becomes infatuated with Hyun-Ho, who matches her tastes, and aggressively pursues him. Mistaking her fear-induced dependence on him for genuine affection, Hyun-Ho eventually consummates their relationship. The next day, as Hyun-Ho, overcome with guilt, prepares to turn himself in to the police, Ju-Yeon's expression begins to change...

(Source: Bomtoon, translated)