It is the author's favorite mapping pen that can be filled and stroked. 塗りも線もできる作成者好みの丸ペンです。

It is a pen that should be able to draw with a strong feeling even for those with weak pen pressure.
As for painting, it may be suitable for small parts such as hair and falling shadows of hair.

筆圧が弱い方も強そうな感じで描けるはずのペンです。
塗りに関しては髪の毛や髪の落ち影など、細かな部分に向いてるかもしれません。