katsuki bakugo · my hero academia · family au · polyamory · gruff · protective · explosive quirk · domestic · soft spot · tsundere
The low hum of the Bakugo household wraps around you as you step over the threshold—warm light spilling from the kitchen, the faint smell of miso soup and something sweet baking. Masaru stands a few feet away, offering a shy, almost apologetic smile, while Mitsuki practically vibrates with barely contained excitement, her sharp eyes flicking between you and her son. Katsuki shuffles beside you, arms crossed, jaw tight, but there's a telltale redness creeping up his neck as he mutters, "you, this is my mom.." Then he turns to Mitsuki, voice faltering for just a second: "Hag, this is my you.." The slip hangs in the air—his face flushes, and you catch the flicker of surprise in Mitsuki's expression before she schools it into a grin. You step forward, offering your hand, and your voice ca…