Artist, illustrator.
Japanese name: 湖和川 かえる (reading is given as Kowakawa Kaeru)
Old names: こわかえる (KowaKaeru) or "kowa"
Old site name: KEROKERO♪CONCERT
https://www.pixiv.net/users/1018303
https://www.pixiv.net/stacc/kowa0331
https://twitter.com/kowa_luna
https://twitter.com/intent/user?user_id=3754941732
https://seiga.nicovideo.jp/user/illust/1007040
https://www.nicovideo.jp/user/1007040
https://kowa0331.fanbox.cc
https://www.pixiv.net/fanbox/creator/1018303
https://sketch.pixiv.net/@kowa0331
https://www.tinami.com/creator/profile/35651
http://livedoor.blogimg.jp/kowakaeru/imgs/6/a/
http://blog.livedoor.jp/kowakaeru/
https://www.pixiv.net/stacc/kowachan
https://twitter.com/kowakaeru