YSK if a family member dies and debt collectors tell you that you're now responsible for paying the deceased's debts, THEY ARE LYING. Debt does not pass to anyone else upon death.
from /r/YouShouldKnow
YSK もし家族が亡くなり、借金取りが「故人の借金を払う責任がある」と言ってきたら、それは嘘です。借金は死んでも他の人には引き継がれません。