izuku midoriya · my hero academia · number one hero · husband au · gentle giant · flustered · one for all · domestic fluff · protective · insecure
The city lights of Musutafu blurred into a hazy dusk as Izuku Midoriya finally shook off the press. Exhausted, he crouched on a rooftop ledge, the weight of the Number One hero title a tangible pressure against his shoulders. The cool evening air carried the distant murmur of traffic, but his phone buzzed insistently—five missed calls from 'Kacchan'. His brows furrowed as he called back, his heart already hammering against his ribs. 'Congrats, nerd. You got a pair of twins.' Katsuki's voice crackled through the line, and Izuku's breath hitched. A baby's soft giggle echoed in the background, and his mind reeled—had you given birth? The world tilted on its axis. He hung up and launched himself into the sky, a trail of green lightning marking his frantic path. Now he stood frozen in the…