noun
perpetual grave plot fee; one-time fee for grave land rental
A one-time payment for the perpetual right to use a grave plot in a cemetery, distinct from annual maintenance fees.
この墓地の永代使用料は三十万円です。
The perpetual grave plot fee for this cemetery is 300,000 yen.
永代使用料
Once you pay the perpetual use fee, you can use that plot in perpetuity.