Artist, fanfic story creator.
Japanese name: 渡河 いるか (Watariga Iruka)
The other names: いるか (Iruka), "watariga" or シャチ (Shachi)
Site names: つれづれなるいるか or いるかの楽園
Circle name: ざんぶらこ
https://www.pixiv.net/users/1563092
https://www.pixiv.net/stacc/watariga
https://twitter.com/botwatariga
https://twitter.com/shachiruka
https://twitter.com/watariga
https://twitter.com/intent/user?user_id=95188289
https://twitter.com/intent/user?user_id=2707592155
https://twitter.com/intent/user?user_id=864956129557663744
https://sketch.pixiv.net/@watariga
https://privatter.net/u/watariga
http://watariga.sakura.ne.jp
https://www.tinami.com/creator/profile/25444
http://p.twipple.jp/user/watariga
http://twitpic.com/photos/watariga
http://yfrog.com/user/watariga/photos