[Infinite Flow + Horror Puzzle + Logical Battle of Wits] A bizarre clown postcard pulls ace scriptwriter Lu Dan into a series of realistic horror cycles. But he doesn't receive a savior's script; instead, he's a—mere extra. A expendable resource responsible for screaming at the beginning of horror movies, for courting death, and for using blood to signal to the audience, "The game has begun." He must perfectly fit the character's persona; any OOC (out-of-character) moment will result in immediate elimination. He must survive the inevitable plot-driven deaths, possessing no superpowers, only a brain that understands all horror tropes. This is a supporting character's desperate counterattack. Delivering the dead man's meal in the eerie "Qingyu Old Building"; playing the first security guard driven mad by fear in "The Abandoned Schoolhouse"... While the main characters are still screaming in terror, Lu Dan has already calmly deduced a way to survive. ...