After Yu Xiaolian unexpectedly transmigrated, she found herself with the awareness of what was to come and a pocket supermarket that would replenish every item consumed after midnight.No idea how to start a fire? No problem—she had lighters. Crude village food hurt her throat? No problem—she had wheat, rice, fresh vegetables, and frozen food. With endless resources, she started a mystery shop in ancient times.A certain man: I want a hundred bottles of wine, beer, and fruit juice! Sorry, but that is beyond the daily limit. So what if she was the cannon fodder? With the pocket supermarket, even the lead characters only get their favorite snack if she feels like giving it to them. Life was good with endless resources and knowledge of the system bugs plaguing the lead characters!