"Oi, tantei-san!"
Saguru blinked. He'd been walking home from the latest KID heist when a voice had called out to him. An infuriatingly familiar voice. Fighting the urge to sigh in aggravation, the detective turned to the source of the call.
Which was the Kaitou KID himself, standing out quite starkly against the black back drop of the night. In a playground. Seated quite happily on the teeter-totter. Saguru stared.
"Tantei-san!" KID cheered, "Come join me!"
Saguru walked hesitantly over to the teeter-totter, but stopped just short of the thief.
"What are you doing, Kuroba?"
KID rolled his eyes, but did nothing in the way of correcting the Brit.
"I'm sitting on a teeter-totter at midnight waiting for my favorite detective to join me. It's rather hard to work a teeter-totter with one person.
"…Why?"
"Well, because I weigh more than the air on the other end of the teeter-totter –which is essentially a big lever- and according to the laws of gravity-"
"Not that!" Saguru snapped, "Why are you on the teeter-totter to begin with?"
"Because I like teeter-totters." KID stated, as if it was the most obvious thing in the world, "Now, get on the other end."
The detective raised an eyebrow at the thief, "Aren't we a bit old for teeter-totters?"
KID frowned, "You're never too old to have fun. Now get your butt over there and on this teeter-totter before I move it for you."
Saguru sighed and straddled the board, KID standing up to make it easier for him.
"Happy?" The Brit enquired.
"Very." The magician grinned. KID pushed up from the ground. Up and down went the teeter-totter. Up and down, up and down, up and down.
"KID?" Saguru broke the comfortable silence that had desended.
"Hmm?"
"I know for a fact that you could've worked this teeter-totter by yourself quite easily- you disregard the laws of physics on a daily basis- so why did you want me to join you?"
KID smiled softly, "Yes, I suppose I could've. But what would be the fun in that, tantei-san? Teeter-totters are meant to be used by two people. They won't work- normally- with only one. You have to bring a friend. After all, there's no fun in playing alone."
Silence fell again while Saguru digested that, broken only by the even creak, creak of a teeter-totter moving up and down, up and down, up and down.