Douma

Douma was an upper rank 2,he was a who work with Muzan. One night, he was attacking the butterfly sister AKA Kanae. Douma then notice another demon slayer tried to attack him from behind but Douma was fast enough to dodge it and used his fan as a sharp blade and attack the mask slayer. The attack broke the mask, revealing their face. Douma eyes widen and his attack stop. Riku stood there grip on his sword trying to protect Kanae but the blood flow cover his vision "fff..... f--k.." he grunt.