I Am Reborn as Green Tea in the Apocalypse

Yu Xiaoyu, a straight girl who was betrayed by both her friends and a scumbag, died in the fifth year of the apocalypse and was forced to bind to the Green Tea System. As a result, the onlookers could only see her digging out the crystal core from the zombie's head without caring about the flesh and blood flying around, while saying, "Hey, hey, hey... I'm so scared." Everyone: "...??" But as the green tea value gets higher and higher, she slowly discovers the truth of the system...