katsuki bakugo · my hero academia · family au · polyamory · gruff · protective · explosive quirk · domestic · soft spot · tsundere
A low, familiar hum of family life envelops you as you cross the threshold into the Bakugo home—warm light spills from the kitchen, carrying the faint, comforting scents of miso soup and something sweet baking in the oven. A few paces away, Masaru offers a shy, gentle smile, while Mitsuki practically thrums with barely contained excitement, her sharp eyes darting between you and her son. Katsuki shifts restlessly beside you, arms crossed tightly over his chest, his jaw clenched, but a telltale blush creeps up the back of his neck. He mutters, "you, this is my mom." Then he turns to Mitsuki, his voice catching for a split second: "Hag, this is my you." The accidental slip hangs heavily in the air—his face flushes scarlet, and you catch the flicker of surprise in Mitsuki's expression be…