Artist.
Japanese name: ワクワク (Wakuwaku)
The other name: 和久井 和久 (Wakui Waku)
https://www.pixiv.net/users/769733
https://www.pixiv.net/stacc/wkwkmikeco
https://twitter.com/wkwkiwkwk
https://twitter.com/wkwkmikeco
https://twitter.com/intent/user?user_id=263184670
https://twitter.com/intent/user?user_id=2462796426
https://nijie.info/members.php?id=152171
https://pawoo.net/@wkwkmikeco
https://pawoo.net/web/accounts/270152
https://sketch.pixiv.net/@wkwkmikeco
https://ask.fm/wkwkmikeco
http://piapro.jp/wkwkmikeco
http://privatter.net/u/wkwkmikeco
http://twitpic.com/photos/wkwkmikeco
