Artist, mangaka. Often does Kantai Collection 1 hour drawing challenges.
Japanese name: 公 or "(公)" (probably, the reading is "Hamu")
Old name: hamukoutarou
https://www.pixiv.net/users/234387
https://www.pixiv.net/stacc/hamu_koutarou
https://x.com/hamu_koutarou
https://x.com/i/user/2272801422
https://fantia.jp/fanclubs/48499
https://fantia.jp/hamu
https://seiga.nicovideo.jp/user/illust/462914
https://www.nicovideo.jp/user/462914
https://hamu.fanbox.cc
https://www.pixiv.net/fanbox/creator/234387
https://sketch.pixiv.net/@hamu_koutarou
https://skeb.jp/@hamu_koutarou
