Bittersweet
As the man returned to his feet, neither he nor Reno could do anything but stand still, knowing well that the unknown visitor to the tower knew they were there.
Slowly, the figure turned to face them, though he was surprised to find the one dressed in the white-and-black uniform was a young man, likely in his early twenties, at most.
What stood out were his eyes–the irises the man possessed weren't just one shade, but many–it was as if staring into a rainbow kaleidoscope.
"Oh? A pair of children have wandered in?" The man said.
"--" Reno gulped.
As Reno didn't respond, he did, "--We're sorry, we accidentally–"
"Don't worry," the man smiled assuredly.
"Huh?"
"I'm not looking to punish children for being curious–that's your nature after all," the youthful, snow-haired man said, "though, I'll have to ask you to leave. It wouldn't look good for me if you two were caught while I was here."
He slowly nodded, "...Alright, we'll go."