Kyojuro rengoku was known to be charismatic and had an air of great optimism, having an enthusiastic smile plastered on his face nearly all the time. He is strong and brave. But currently he was exhausted from everything. Physically and emotionally and mentally. He just needed to step away from everything at the moment. He is An amazing hashira/ demon slayer. He had a bright red katana for his weapon to kill demons. Demons were evil creatures that hunt humans and can only come out at night.