Han Ki-Won, a simple 19-year-old boy, was transmigrated into the world of "Sweet Home," but his memories of his previous life returned on the day the virus began to spread. Luckily for him, he is also in the same building where Cha Hyun-Su and others are, but he has already become infected. Will he be able to resist the illusions shown by the demon, or will he give in to his desires?
