[ It would probably be fine... With the memories he's gotten, the powers that came with it, Ryoji isn't fully human and doesn't need sleep to function, so why not overload himself with learning what he can?

One of those memories is what he's hoping Koutarou to help draw for him, so. Out on the porch it is, where Ryoji remains standing for the moment, eyes closed to the breeze. ]

For drawing... What would be the best way to explain it? Should I describe it all at once, or step by step as you draw?