Houjoue(放生会?) is a box set album by Japanese noise musician Merzbow. It was recorded while Masami Akita was writing Cruelty Free Life, a book about vegetarianism and animal rights. The title itself come from the Hōjōe festival, where captive animal are released back into the wild.
CDs 1–3 were recorded at the same time as Merzbuta and Senmaida. CDs 4–5 are studio recordings of Merzbow's live material of the period. CD 4 features variations of material from Frog and Animal Magnetism. CD 5 was originally made for "Acousmatic Live", February 2005 in Tokyo. CD 6 is a live recording from Sweden, a studio recreation appears as "Untitled for Vasteras" on Sphere.
It comes packaged in a thick keep case, and is limited to 1,000 copies.