The extremely hideous Joonyoung finds himself duped into an unfair contract with a mischievous succubus. To survive, he must seduce women, a daunting task for someone like him. However, he’s granted a unique superpower to aid in his mission: the ability to become invisible! With this newfound skill, Joonyoung navigates a world of unseen opportunities and challenges, all while trying to outsmart the supernatural forces at play. Can he master the art of invisibility and turn the odds in his favor, or will the succubus's game prove too dangerous?