Artist.
Japanese name: 勝川
The other name: Amberkacche
https://www.pixiv.net/users/728109
https://www.pixiv.net/stacc/kachigawa
https://twitter.com/awihc
https://twitter.com/ic3ci
https://twitter.com/kachigawa
https://twitter.com/intent/user?user_id=208565737
https://twitter.com/intent/user?user_id=1092570049
https://twitter.com/intent/user?user_id=4169452572
https://sketch.pixiv.net/@kachigawa
https://www.tinami.com/creator/profile/14097
http://www.stickam.jp/profile/kachigawa
