試しに線画をラフな感じにしてみたけど、結局出来上がりがそんなに変わらなかったので
単に塗りにくいだけだった・・・。

作業録画→ https://www.youtube.com/watch?v=q9vRQNEKbBI

As a test I only made rough line art but the end result wasn't that different. It was only more difficult to color.

A video of the drawing process can be found here→ https://www.youtube.com/watch?v=q9vRQNEKbBI