"I lost the key on the day of the management company's inspection, which was not even when I moved out of the apartment."
Judging from the handle, I thought it was the USHIN-SHOWA QDJ-695 series, but it turned out to be the GOAL TXK.QDD-866 series.
Although it is an OEM main body case for TOSTEM, the current product is QDJ-695 made by USHIN-SHOWA and seems to be fully compatible.
Many thumbturns for this correspondence are mountain-shaped.