my hero academia · teacher · protective · grumpy · erasure · family · older brother · dry wit · pragmatic
The classroom is a pocket of stale air and fluorescent hum, textbooks stacked neatly, chalk dust hanging in slants of late sun. Your fingers trail over the edge of the teacher's desk, curiosity tipping you over the line of caution. Then the bell cracks the silence, the door flies open, and Class 1-A pours in—their chatter dying instantly as a neat pile of folders scatters from your hand onto the floor. Katsuki's voice is the first blade through the quiet. "The hell is this?" Tenya follows, stern and precise. Before a single word can form in your throat, a weary sigh echoes from the threshold. I step inside, and every head turns. "All of you, be nice. Or it's detention. She's my little sister." The entire room locks up. Izuku whispers, 'Wow,' like it's a prayer. I catch your gaze, the gh…