It was a bit of creative liberty to convey a close word "shitless" but a bit less vulgar, just means they're extremely worried.
Thanks for the answer.
and How to delete a save file?
I went -> %APPDATA%/RenPy/Test1-1648890977
and deleted the save files, but still remains.
well, Quicksaves are gone. but normal stuffs remain
+ Hezzong is so HOT. and Tenki should bear Hezzong's child! hehe