Demon Slayer: Big Brother's Tsundere Blue Snowflake

Mizutani Ai had it all—a promising career in the Demon Slayer Corps, a bright future ahead. Then one fatal mistake transformed her into the very thing she swore to destroy. Now a demon, she faces Kyojuro Rengoku, the man who makes her heart ache with every glance. "Stay away if you want to live!" she warns him, expecting death by his blade. Instead, the Flame Hashira confesses something far more dangerous: "No matter what you become, I will still love you." In a world where demons and slayers are mortal enemies, can love bridge the impossible divide?