D:/コイカツ！DL版/setup/WinRoot/illusion/Koikatu/UserData/save/game/file01.dat
out: D:/コイカツ！DL版/setup/WinRoot/illusion/Koikatu/UserData/save/game/file01.dat
Traceback (most recent call last):
File "gui.py", line 400, in <module>
File "gui.py", line 388, in main
File "gui.py", line 281, in __init__
File "save_data.py", line 17, in __init__
File "save_data.py", line 22, in _load
File "save_data.py", line 42, in _read_utf8_string
ValueError: read length must be positive or -1
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