It is a pen to enjoy unexpected color changes.
Change the color to the creator's liking.
It is easier to control if you use less saturated colors than colorful colors.
予期しない色変化を楽しむためのペンです。
製作者好みの色変化をします。
カラフルな色よりは、彩度の低い色を使うとコントロールしやすいです。
Set the main color and sub color to your liking.sub color may be easier to handle if the brightness is as low as possible. (Main white, sub black, etc.)
The image above shows the main color and sub color black + black.It can be used roughly. 
If you try to draw in color, it will be drawn in an unexpected color, so it is not recommended.
If you try to draw in color, it will be drawn in an unexpected color, so it is not recommended.Rather, I enjoy this.
メインカラーとサブカラーをお好みで設定します。サブカラーはなるべく明度が低い方が扱いやすいかもです。（メイン白、サブ黒など）
メインカラーとサブカラーを黒＋黒にしたのが上の画像です。ラフに使えそう。カラーで描こうとすると予期しない色で描画されるのでおすすめしません。
カラーで描こうとすると予期しない色で描画されるのでおすすめしません。むしろこれを楽しむというのもあり。
Other materials by わにゃ！
Popular “Brush” materials
New materials
Badges
-
MVP ◆This user has contributed greatly to the management of the community, by posting many great responses to the questions asked. Once every three months, MVPs are determined based on the points earned during that period and will be recognized accordingly. -
New Valuable Player (NVP) ◆These are the next-best contributors to the community after MVPs. This is awarded to users who have not yet won an MVP award, based on the number of points they have earned. -
Official Expert ◆Chosen out of all MVP awardees, who are already proof of excellence, this is a testimony of outstanding correspondence in the community. After careful screening, they are appointed by CELSYS and assume their position.Note: Formally called “Evangelists” -
Official Moderator of CELSYS ◆Moderators are official CELSYS staff members who are fluent in Japanese as well as various other languages. Moderators are not experts on the software or illustration, so they are not able to directly answer your questions. However, moderators provide communication and language support to ensure that everyone can smoothly communicate with each other. -
CELSYS official accountThe Official Administrator Account