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Rui (累るい Rui?) was the primary antagonist of the Mount Natagumo Arc of Demon Slayer: Kimetsu no Yaiba. He was a demon affiliated with the Twelve Kizuki, holding the position of Lower Rank Five (下か弦げんの伍ご Kagen no Go?).[3]
Rui (Demon Slayer)
Villains
for Villains in Good vs Evil - God vs Satan
Suggested by satsuinohadouken5100
Sorting characters of fiction on the side of God or Satan/Good vs Evil
