In , titled "The Promise Day," the story focuses on the tenants of Maison de Ayakashi deciding to participate in a time capsule tradition. Here are the key highlights and context for the episode:
: A young boy arrives at the mansion to see his father, leading Zange to propose burying a time capsule to send messages to their future incarnations. Inu x Boku SS Episode 9
: Ririchiyo reflects on the meaningful connections she has made with the other residents and her devoted secret service agent, Soushi Miketsukami. In , titled "The Promise Day," the story