Artist.
Japanese name: にしたか (Nishitaka) (the artist uses this spelling: "Nisitaka")
Site name: 西鷹 (Nishi Taka) (the artist uses this spelling: "nishi taka")
https://www.pixiv.net/users/1192807
https://www.pixiv.net/stacc/nisitaka24
https://twitter.com/nisitaka54
https://twitter.com/intent/user?user_id=1194626204264878080
https://seiga.nicovideo.jp/user/illust/8951086
https://dic.nicovideo.jp/u/8951086
https://www.nicovideo.jp/user/8951086
https://sketch.pixiv.net/@nisitaka24
https://www.pixiv.net/stacc/nisimuratakaaki
https://twitter.com/24_illustration
https://com.nicovideo.jp/community/co1378132
https://www.tinami.com/creator/profile/14866
http://blog.livedoor.jp/nisitaka54/
https://www.stickam.jp/profile/nisimura
http://theinterviews.jp/nisitaka
http://twitpic.com/photos/nisitaka54
http://yfrog.com/user/nisitaka54/photos