"...oh, and I recently figured out even more facts about platypuses..."

Rui had always been a rambler (or a yapper, as Nene called him), but he was especially talkative when he was sleepy.

It was funny how often he ended up like this, laying on Tsukasa's chest at night, talking to him about subject after subject as his eyelids became droopy, his long eyelashes shading his eyes in the moonlight coming through the window.

"Did you know they're actually venomous...?" He continued, his voice a gentle mumble as he smiled at Tsukasa in bed. "Well, the males are... they have a spur on their... yawn... ankle that can protect them from predators...

...oh, and did you know that they can swim a meter per second...? It's because their fur is waterproof..." He yawned as he went on. "I wonder... if I can make a bot like that... actually, I think I could... mm..."