Sero's sister

Chapter 17: The Line Between

Later that evening, the dorms were quieter than usual, the low hum of chatter and distant TV noise filling the space. Y/N had just finished a shower after training, feeling refreshed, though her mind was still replaying the heated moment she'd shared with Bakugou earlier. The way his hands had gripped her, the fire in his eyes—she hadn't been able to shake the thrill it had given her.

She threw on some casual clothes and headed down to the common area, figuring she could unwind a little. But as she walked in, she wasn't surprised to see Bakugou there, sitting on the couch with his arms crossed, a fierce look of concentration on his face as he stared at the TV screen. He must have sensed her presence because his eyes flicked up to meet hers almost immediately.

Her heart skipped a beat when she saw that familiar glint in his eyes—the one that told her he hadn't forgotten about what had happened in the gym. His gaze lingered on her for just a moment too long, his jaw tightening.

Y/N smirked to herself, feeling the same rush of excitement she'd felt earlier. The tension between them had only grown since their little encounter, and she was curious to see how long it would take for one of them to crack.

She crossed the room, deliberately taking the seat next to him on the couch. "What're you watching?" she asked casually, though she couldn't help but steal a glance at him out of the corner of her eye.

Bakugou didn't answer right away, his attention still fixated on the screen, though his fingers were drumming on his knee—a telltale sign that he was thinking about something else. Finally, he grunted, "Some movie. Doesn't matter."

Y/N raised an eyebrow, leaning back into the cushions. "Doesn't sound like you're into it. I can think of better ways to spend the evening."

Bakugou turned his head toward her, narrowing his eyes. "What's that supposed to mean?"

She shrugged, biting back a grin. "I dunno, maybe something more fun. You seemed pretty fired up earlier."

Bakugou's expression shifted, his gaze sharpening as he regarded her. "You're not gonna let that go, are you?"

"Why should I?" Y/N said innocently, though the playfulness in her voice was unmistakable. "It was fun messing with you."

Bakugou's lips twitched, but he didn't smile. Instead, he leaned back against the couch, crossing his arms as he eyed her. "You think I'm easy to mess with?"

Y/N shifted in her seat, her body now facing him fully. "I don't know, Katsuki. Am I wrong?"

Bakugou's eyes darkened at the sound of his name on her lips, and the intensity in his gaze made her heart race. For a moment, neither of them spoke, the air between them growing thick with tension once again.

"You're playin' with fire," he warned, his voice low.

Y/N smirked, her eyes flicking to his lips before meeting his gaze again. "Maybe I like the heat."