It is a blurry brush with a soft edge that is also soft and blurry on the inside. 内側もふんわりぼやけるフチのぼやけたブラシです
You can erase the lines where the lines overlap by switching the combine mode.
(* The edges of the inner color may come out slightly.) )

合成モードの切替で線の重なるところの線が消せます。
(※内側の色のフチがほんのり出てしまうこともあります。)

Category 1 カテゴリ1