Seishirou Shishirui (Kanji:死屍累 生死郎 Romaji: Shishirui Seishirō) was Shinobu Oshino's first vampire minion and the original oddity slayer he was a famed oddity specialist in his time however when aragari turned kisshot to Shinobu Oshino he saw it as breaking of his own twisted version of "Tenno" and swore katakiuchi Seishihirou serves Deathtopia and his goal is to restore kisshoot even if it means sacrisifing thousands of alive hes highly discplined dangerous and hellbent on keeping his word.