Professional illustrator. Formerly tagged as light-one.
Artist name: 甲壱 or kou1 (Reading is given as Kouichi)
Site name: Light-One
https://www.pixiv.net/users/8334
https://www.pixiv.net/stacc/alucky
https://twitter.com/ara_kou1
https://twitter.com/intent/user?user_id=299941531
https://pawoo.net/@kouichi4578
https://pawoo.net/web/accounts/190391
https://sketch.pixiv.net/@alucky
http://userdisk.webry.biglobe.ne.jp/006/842/89/N000/000/000/
https://www2u.biglobe.ne.jp/~a-kou/
