Inside an apocalyptic novel

A genius student majoring in economics and biology at the age of sixteen with high achievments in university have a secret He love to read novels, one reason how he was faster in realizing things than normal most of all if it's fantasy genre.. Just that he never thought his wish will come true! Transmigrating as a not important cannon fodder in a rebirth zombie apocalypse novel is.. so awesome! But he have many problem, he became a girl! and with a hypersexuality to boost.. it's fine though, this Is a BL novel anyways.. What? He was actually a cross-dresser? He was so OP? This.. why is the MC and ML eating me??! Menu Xue: Stop, stop, I'm a guy! ML and MC: So what? 2 x 1: Threesome