This is a victory lap for people who actually stuck with the series. The animation budget finally shows up to match what the fanservice deserves, and the censoring gags are clever enough that you're laughing instead of just looking away. It ends on a cliffhanger that makes you want season three yesterday.
After their intense battles in the demon world finally reach a resolution, Basara and his demon companions deserve some peace. The group takes a well-earned vacation, leaving behind the constant threat and chaos that's defined their lives. But relaxation proves complicated when you're trying to maintain secrecy around your unconventional household and the supernatural contracts binding you together. What starts as a simple getaway becomes another chance for the peculiar dynamics within Basara's circle to shift and intensify. Maria continues her relentless scheming, Mio grapples with her feelings and status, and Basara finds himself caught between protecting everyone and simply enjoying a moment of normalcy. The temporary reprieve from world-ending crises doesn't mean the tensions simmering beneath their relationships have cooled. This OVA caps off a chapter of the series by allowing its cast to breathe, offering quieter character moments alongside the franchise's signature blend of action and romantic comedy.