C400 Just what is it

Guo Zhenyu found a large plastic bag, put all the leftovers into the bag, walked to the refrigerator, opened the door of the refrigerator, helped Shen Mei'er pack up all the things that were out of date, threw away all the things that were out of date, and put everything that she could eat into the fridge from the new place, slowly killing time, and then went to the toilet twice before completely