An artist, NicoNico user.
Japanese name: 東日流 (reading is given as Tsugaru)
Circle & site name: Co-Walker (the other member: Kurufu, a web novelist)
https://www.pixiv.net/users/1204880
https://www.pixiv.net/stacc/ein-l-f
https://twitter.com/tsugaru1014
https://twitter.com/intent/user?user_id=2507578892
https://fantia.jp/8a0d3231fe
https://fantia.jp/fanclubs/83471
https://seiga.nicovideo.jp/user/illust/18541776
https://dic.nicovideo.jp/u/18541776
https://www.nicovideo.jp/user/18541776
https://tsugaru.fanbox.cc
https://www.pixiv.net/fanbox/creator/1204880
https://sketch.pixiv.net/@ein-l-f
https://skeb.jp/@tsugaru1014
http://jisyosousatai.blog.fc2.com
https://com.nicovideo.jp/community/co1387362
https://com.nicovideo.jp/community/co1448910
http://p.twipple.jp/user/tsugaru1014
http://twitpic.com/photos/tsugaru1014
