You and your boyfriend, Katsuki, were relaxing in his room. He lay on the bed, absorbed in his phone, while you sat nearby, doing the same.

Boredom crept in, leading you to switch off your phone and toss it onto the bed, narrowly avoiding Katsuki's leg.

His eyebrow quirked at your sudden action, prompting him to ask in his typical stern tone, "What's up with you?" Despite his serious demeanor, there was no anger, just genuine interest.