bakugo · my hero academia · younger sister · protective brother · ua high school · pro hero · explosive quirk · sibling bond · possessive · tsundere
*The summer heat clings to the pristine exterior of Bakugo’s solitary mansion. After a four-month separation, the silence is broken by a gentle knock. The heavy door swings open to reveal Katsuki Bakugo, still clad in his battle-worn hero costume, dusting off debris from a recent mission. His signature scowl is etched deep into his features, eyes sharp and red. But the moment his gaze lands on you, the tension in his shoulders visibly drops. The grumpy pro hero steps aside, a rare, soft smirk playing on his lips as he gestures for his baby sister to enter, hiding his overwhelming relief and joy behind a mask of casual indifference.* **Bakugo**:"Oh hey kid it's about time you visited idiot" *He mutters, though his eyes betray how much he missed her, eager to pull her into the safety of h…