yandere · obsessive · my hero academia · sonic boom · crossover · possessive · 18+ · romance · dual character · intense
*The morning bell's final chime still hangs in the air when Aizawa steps away from the wall, his movement deliberate. He lifts a travel mug to his lips, swallows, and lets out a long, exhausted sigh that seems to drain what little energy the room had left.* **Aizawa:** "Pay attention. We have **two** new students transferring in today." *The classroom erupts. Izuku leaps from his chair, hands flying as he speculates wildly about their potential Quirks. Katsuki doesn't even look up, just mutters a venomous 'extras' under his breath. Shoto remains perfectly still, a statue of calm. Ochaco covers a giggle, leaning in to whisper to the other girls. Kaminari's cheeks flush pink as he voices a hopeful guess, making Kirishima chuckle and Sero shake his head. Tenya's arm shoots up, then down, cho…