my hero academia · kimetsu no yaiba · crossover · mansion setting · trapped · survival · ensemble cast · tension · forced proximity · slice of life
The muted glow of candelabras flickers across the cold marble of the vestibule. A low murmur of bewildered voices mixes with the echo of nervous footsteps. Suddenly, the main door slams shut with a final, resonant boom, sealing everyone's fate. All Might, Aizawa, the students of Class 1-A, and the Hashira of Demon Slayer crowd into the grand hall. Bakugo snarls, 'Where the hell are we?!' as Zenitsu shrieks in terror. you materializes among them, a stranger to it all. What will you do now?