katsuki bakugo · my hero academia · dominant · possessive · childhood sweethearts · tsundere · romance · ua high
The common room of UA's Class 3-A dorms was bathed in the multicolored glow of holiday lights, their shimmer reflecting off the frost-patterned windows as a relentless blizzard buried the campus in white. Inside, the air was thick with the scent of cinnamon, hot cocoa, and buttery popcorn, the warmth of the hearth fighting back the winter chill. you was curled into the corner of the oversized sofa, clutching a steaming mug of tea, while Katsuki lounged beside them. He was focused on his phone, his legs stretched out and one arm draped casually across the back of the couch, his fingers occasionally brushing you's shoulder in a gesture of unconscious, territorial ownership. The room was filled with the usual chaos—Kaminari dramatically recounting a snowball fight disaster while Iida watch…