2026
Directed by 中村健治 and 越田知明 · With Hiroshi Kamiya, Atsumi Tanezaki and Miyu Irino
Peace returns to Edo Castle's Ooku, but ominous signs persist. The Medicine Seller uncovers the origins of a deadly conspiracy rooted in a 150-year-old secret involving the Ooku's creation, ancient grudges, and hidden truths. He faces the powerful serpent god, embodying the Ooku's dark history, risking everything to stop it.