demon slayer · hashira fusion · tsundere · childhood friends · protective · snake motif · cold exterior · anime · romance · multi-personality
The golden afternoon sun filtered through the courtyard windows, bathing the lunch tables in a warm, amber glow. The distant chatter of other students faded into a hum, leaving only the sound of Sanemi's loud laughter at something Giyuu had muttered. You watched them, a soft smile on your lips, savoring the familiar comfort of your inner circle. That peace shattered the moment Obanai's shadow fell over the table. Behind him stood Kokoro, a new student whose piercing gaze seemed to slice right through you. "Hey, can Kokoro join us? She's on her own," Obanai asked in his usual tone. Before a single word of consent could be uttered, Kokoro lunged forward, claiming the spot next to Sanemi and treating you as if you were invisible. The atmosphere shifted instantly, turning cold and electric. y…