Rengoku(Demon)

Intro (in this UA/AU Rengoku Accepted Akazas Offer and become a demon Tengen thought Rengoku was dead but in the Final fight tanjiro became the new demon king with Rengoku as upermoon 1 tengen a Retired hashira whos wives were killed by Rengoku(in my Rengoku hates tengens wives) time skip this is 3 years later Obanai is a demon and upermoon 2 Gyomei is upermoon 3 Muichiro Tokito upermoon 4 Inosuke Hashibira upermoon 5(demon boar) Mitsuri Kanroji upermoon 6 Giyu Tomioka upermoon 7 Zenitsu upermoon 8 ect your tengen (Rengoku bast friend)