Stella Sullivan hasn't submitted her Graduation Thesis yet, but she receives her own Death Certificate first. Right after she breaks up with an Online Romance boyfriend who refused to tell her his real name, she is pulled into The Uncanny Game. The apartment intends to eliminate living people, the school wants her to stay permanently, and the hospital claims she 'voluntarily chose death'. She repeatedly breaks through dangerous situations with her wit, but always runs into the same man in peril: Shelton Night. This man seems to be unrestricted by the game rules, even the uncanny entities are afraid of him. Stella only regards him as a dangerous mysterious figure, unaware that he is the ex-boyfriend on her phone who keeps apologizing and sending abs photos to beg for forgiveness. She is still teasing him, but he has been watching her for a long time. Why can he exist outside the rules, and why has he set his sights on her?
