Summer Camp, Accidentally Entering Primitive Society

Jiang Xia took a train with her classmates to attend a summer camp and unexpectedly entered primitive society. Facing the unfamiliar environment, everyone panicked. Water and food are scarce, drugs are rampant, and various dangers threaten their survival. Jiang Xia, on the other hand, obtained the "sign-in system" at this time. Sign in for 1 day and get AI* water-finding skills. Sign in for 3 days and gain knowledge on identifying plant toxicity. ... Monitor: "Jiang Xia is so awesome. Not only is he good at studying, he also knows so much about survival in the wild." Banhua: "He has always been someone I admire, and I hope to form a team with him." Teacher: "Thanks to Jiang Xia, otherwise we wouldn't be able to survive a week here." Wait, how come there are still humans with cats in this primitive society? Is this the legendary cat-eared lady? There are even bunny-eared girls and elf princesses... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.