Artist, illustrator. On her/his pixiv profile page, this artist wrote her/his opinion about re-uploading her/his images. Formerly tagged as Hyakkimaru.
Japanese name: 百鬼丸 (Hyakkimaru)
Site name: ヒャッキマニアクス (Hyakki Maniax), ヒャッキマニアクス。 (Hyakki Maniax.) or "100mani"