Artist.
Nickname: ４７１閣下 (471 Kakka) or ４７１
https://www.pixiv.net/users/172983
https://www.pixiv.net/stacc/akisouma
https://twitter.com/471yorumu
https://twitter.com/intent/user?user_id=3756213014
https://akihirorakugaki.booth.pm
https://seiga.nicovideo.jp/user/illust/7682826
http://www.nicovideo.jp/mylist/35787038
https://www.nicovideo.jp/user/7682826
https://vhnkebth.fanbox.cc
https://www.pixiv.net/fanbox/creator/172983
https://sketch.pixiv.net/@akisouma
http://www.tinami.com/profile/59066
https://www.tinami.com/creator/profile/9611
https://www.facebook.com/profile.php?id=100010348666752
http://mixi.jp/show_friend.pl?id=16728631
http://mixi.jp/show_profile.pl?id=16728631&from=navi
http://mixi.jp/show_profile.pl?id=16728631&level=4
https://www.youtube.com/channel/UCsrG4_OeoNR9C5698ehDFig
https://www.youtube.com/user/471ak1
https://twitter.com/471aki