just try connecting things the number beside that particular thing says the amount you have of it. for example there will be written mmoney,sushi,milk etc the number beside is the amount you can make sure by matching the number in you save file and in game. for outfit and quests there's different scenario you can ask if you want to know or want to get spoilers for the game.
heya, just go to this folder. There is no need to fully erase the data if you only want to enter the void. But if you want just remove the RingManSpiritHunt folder and play the game, this will create a new data.
Also make sure to click View and check the "Hidden Items"
C:\Users\yourusername\AppData\LocalLow\LAGS
1. Open "RingManSpiritHunt" folder
2. Click and open the SaveData.txt
Btw this text are copied from Sei u can thank him ^_^