Artist. Likes Idolmaster.
Japanese name: 千秋 楽太郎
(According to the artist's tweet, his/her nickname can't be read in a normal way. Possibly the reading is "Chaki Rakutarou".)
https://www.pixiv.net/users/705576
https://www.pixiv.net/stacc/chakirakutaro
https://twitter.com/syougaslice
https://twitter.com/intent/user?user_id=404588942
https://seiga.nicovideo.jp/user/illust/11350340
https://com.nicovideo.jp/community/co318709
https://www.nicovideo.jp/user/11350340
https://pawoo.net/@chakirakutaro
https://pawoo.net/web/accounts/190948
https://sketch.pixiv.net/@chakirakutaro
http://p.twipple.jp/user/syougaslice
http://twitpic.com/photos/syougaslice
http://yfrog.com/user/syougaslice/photos
