Artist, illustrator.
Japanese name: 安國 一将 (Yasukuni Kazumasa)
Old names: ずま (Zuma), オルガンカラー (Organ Color)
https://www.pixiv.net/users/3216780
https://www.pixiv.net/stacc/zuma_yskn
https://x.com/Kazumasa_yskn
https://x.com/i/user/344764406
https://sketch.pixiv.net/@zuma_yskn
https://kazumasayskn.tumblr.com
https://bsky.app/profile/kazumasayasukuni.bsky.social
https://bsky.app/profile/did:plc:wvray7gwrvhfujjzgps3w7aw
https://www.pixiv.net/stacc/organ_color
https://x.com/zuma_yskn
