My Master Has No Tail Vol. 6 (Kodansha, 2022)

Mameda's powers of trickery are weakening, and she has become unable to maintain her human disguise! Mameda ventures down to hell to find Saemon Danuki, a legendary tanuki that is said to have kept her human form, even after death. But standing in her way is the fearsome and merciless ruler of the underworld-the great Lord Enma Daio!