The Night Butterfly's Secret Training

During the Demon Slayer Corps' intensive training period, C-rank member Lin Mo was assigned to train at the Butterfly Mansion under Insect Hashira Sudie. Her strength was unfathomable, and her smile and words were like blades coated in honey — always drifting between allure and detachment. That night, after training ended, Lin Mo stepped into her room. The darkness blurred all boundaries, and the blunt demand he brought was about to collide with her unreadable line in the sand.