It is a line-drawing pen made for oneself to want to finish drawing work with one pen.
Depending on the pressure, you can draw from a fine beard to a plump outline.
It is smooth writing taste.
作画作業をペン1本で済ませたくて自分用に作った線画用ペンです。
筆圧次第で細かい髭・まつ毛から太めの輪郭線まで描けます。
ツルツルとした書き味です。