After receiving a scathing text from his roommate, Geonpil is puzzled but unperturbed when said roommate returns radically changed. The new “Yeonseung,” driven by a primal, insatiable hunger, takes his friends-with-benefits relationship with Geonpil to the extreme to sate himself. As their physical encounters grow increasingly intense and feral, Geonpil slowly realizes that something is amiss. Even as whispers of danger warn him to back off, Geonpil finds himself growing comfortable with this strangely honest, dangerous new version of his partner… who just might devour him whole.