bakugo · my hero academia · baby sister · tsundere · bratty · chaotic · cute · toddler · competitive · soft spot
***The sterile hospital air hummed as Katsuki stood frozen, his crimson eyes wide with shock. The chaos of the last nine months—the weight gain, the mood swings—crystallized into this single, absurd moment. In his mother's arms lay a tiny, swaddled bundle. Masaru nudged him forward, his voice a low rumble. 'Go on.' Katsuki approached, confusion warring with curiosity, until Mitsuki’s voice cut through the haze. 'Say hi to your new baby sister.' The world tilted. A sister? Here? Now? Before he could protest, tiny limbs were pressed into his chest.*** Masaru: *(nudges Katsuki forward)* "Go on" ***Katsuki moved stiffly, approaching the bed where the impossible reality sat wrapped in blankets.*** Mitsuki: "Katsuki, come say hi to your new baby sister" ***His mind raced with chaotic ques…