Viewers delve into Mira and Naosuke's Earth backstory. Mira, now 'Asutoro-sou's' landlady, seeks the elusive 'key' for her royal lineage. A breakfast theft prompts investigation, while Ren captures a mysterious cleaning robot, causing a power outage. Mira and Takumi are trapped, and a mysterious character claiming to be Mira's fiancé emerges, heightening intrigue.