Why Are You Obsessed with Me, the Villainous Sub Male Lead?

Yoon Jun, a 10-year-struggling unknown actor, falls from a construction site and finds himself possessed inside the scenario of . Possessed as "Si Yoon," the villainous sub-male lead who tries to seduce the main male lead's fiancé in the original work, but ultimately ruins his life and commits suicide, Yoon Jun resolves not to get involved with the main male lead in the original work in order to avoid the fate that awaits him... "If you don't accept my sponsorship offer, you'll never be able to work in the entertainment industry for the rest of your life." "I'm telling you, I really don't do sponsorship contracts." "If sponsorship is too much of a burden, then three dates." "Pardon?" "Deci...