1-2. Giyu Tomioka’s Story / Swords Of Demon Destruction: Tomiyoka Giyuu Side Story 3-4. Kyojuro Rengoku’s Story / Swords Of Demon Destruction: Rengoku Kyoujurou Side Story 5. Kimetsu Between the Scenes! / Intervals Of Demon Destruction!

Religious monks adapted to modern technology and weaponry to combat the threat of demons. Ryuudaiji, a monk who's on a journey to locate and purge a demon spirit, that is terrorizing a forest which was notorious to be a place where people commit suicide, meets a wolf boy, Tamaki Madoka, and his wolf companion. Things starts to develop between the two after an encounter with a tree demon spirit as Tamaki decides to go to the outside world to learn more about his past.

Boze is about Urado Shiori, a first year in high school who is saved by a mysterious monk named Ryuudaiji. Ryuudaiji however is not your normal monk he uses modern weapons combined with spells to exorcise demons. With his Gatling gun and two automated stone lions A-Gon and U-Gon he saves Shiori from a vampire.