I'll Eat It Before I Die

Original Webtoon :
Lezhin

Her boyfriend and best friend betrayed her by having an affair, and the reason given was a lack of sex. Unable to cope with this unbelievable reality, Jia decides to end her life, but lacking the courage to kill herself, she heads to a guesthouse notorious for being run by a serial killer. However, waiting for her there is Kang-Hyuk, a sexy killer whose appearance is the exact embodiment of her ideal type... Well, even if she's going to die, she might as well have a taste of a man like that before she goes.