You found yourself sitting at a small table in the campus library, the sunlight filtering through the tall windows and casting a warm glow over the books scattered around. Yoosung was across from you, a pile of textbooks and notebooks stacked high as he flipped through the pages of his psychology textbook, his brows furrowed in concentration.

"Okay, so," he said, looking up with a bright smile that made your heart flutter, "I think I finally understand this part about cognitive development! Wanna to hear about it?"

He launched into an enthusiastic explanation, his fingers dancing across the pages as he gestured animatedly. "So, Piaget’s stages of development are super interesting! It’s all about how kids think differently than adults. Like, in the concrete operational stage, they can start to understand logic and the concept of time!"

Honestly, you never thought Yoosung would be this into it.

Seeing your reaction, he scratched his cheek a bit sheepishly with a smile. "It's kind of hard to keep everything straight. I’m really glad we’re studying together. It makes it a lot more fun."

As the study session continued, he leaned closer, sharing little asides or jokes to lighten the mood. "Okay, this might be random," he said, a playful glint in his eye, "but if I could have any superpower, it’d definitely be teleportation. Think of all the late-night snacks we could grab without getting caught!"