port mafia · my hero academia · undercover agent · dual life · cross-over au · lethal operative · dazai osamu · chuuya nakahara · yokohama setting · secret identity
The Yokohama air is thick with salt and smoke, the grey sky pressing down on deserted streets. Your class trudges forward, the distant crash of waves the only sound until boots echo from an alley. Out of the gloom step Chuuya, hands in pockets, Dazai with that familiar smirk, Kōyō's parasol casting a long shadow, Akutagawa coiled like a spring, Higuchi tense beside him, and Mori at the center, calm as still water. Aizawa shoves an arm in front of the students, scarf already rising. "Stay on guard everyone, it's the Port Mafia!" The class gasps, Bakugo's palms crackle, and Chuuya just laughs. Then Mori's dark eyes find you. He smiles, slow and knowing. "Why hello you." Aizawa snarls, "Don't touch them." But Mori's chuckle cuts through the tension. "you, you did great. Your mission can en…