Old Maid

Old Maid summary:

20XX. j.a.pan has become a super-aging society with half its population going over the age of 65. To put an end to the blockage of the society, a law has been worked out: “The Unmanaged Elderly Migration Law” or “Ubasute (abandoning old woman) Law” for short. Making every effort to save his grandmother from the evil law, high-schooler Kurata n.o.buhiko’s fate is…?