Demon Slayer Fanfic

Jiyan from WUWA gets taken and, during a horrible lightning storm, lands in the Demon Slayer world. This makes his power stronger; he is on the same level as Hashira. Unsure of where he is and how to get back home, he becomes a samurai due to his training as a general. He sees Mitsuri and has a small but sweet chat. He feels a pull towards her and, yes, follows her to the swordsmith village. The people think he is a slayer and show him to a room, not knowing the truth about him. ends up Marring Mitsuri and to keep her happy allows Obanai to marry them to