Artist, illustrator.

Japanese name: 一二三 始 (Hifumi Hajime)
Old name: 煌潤 (Koujun)
Cirlce name: 一二三矢 (Hifumiya)
Old circle name: 一二三家

See also

• Pixiv account: http://www.pixiv.net/member.php?id=225235
• Pixiv sketch account: https://sketch.pixiv.net/@mugenzero
• Niconico account: http://www.nicovideo.jp/user/2513655
• Niconico Seiga: http://seiga.nicovideo.jp/user/illust/2513655?target=illust_all
• Pixiv Fanbox: https://www.pixiv.net/fanbox/creator/225235
• Fantia account: https://fantia.jp/fanclubs/5023
• Enty account: https://enty.jp/_hihumi123_
• Skeb account: https://skeb.jp/@_hihumi123_
• Privatter account: https://privatter.net/u/_hihumi123_
• Twitter account: https://twitter.com/_hihumi123_
• Pawoo account: https://pawoo.net/@hihumi123
• Marshmallow account: https://marshmallow-qa.com/_hihumi123_
• Old pawoo account: https://pawoo.net/@mugenzero
• Circle.ms: https://portal.circle.ms/Circle/Index/10245909