Artist, pianist.
Pen-name: 高埜 糸冬 (reading is given as Takano Tsui)
Old name: Arms (あむす, Amusu)
Old circle names: "φ=Asin(kx)+Bcos(kx)" or "Project-Apricot"
https://twitter.com/TakanoTsui
https://twitter.com/intent/user?user_id=1246398454332456960
https://seiga.nicovideo.jp/user/illust/17913351
http://www.nicovideo.jp/mylist/33495833
https://www.nicovideo.jp/user/17913351
http://arms0705.blog.fc2.com
https://ameblo.jp/high-tone-arms
http://twitcasting.tv/high_tone_arms
http://twitcasting.tv/project_apricot
https://www.pixiv.net/users/2233758
https://www.pixiv.net/users/11914817
https://www.pixiv.net/stacc/kill-takane
https://www.pixiv.net/stacc/takano_tsui
http://p.twipple.jp/user/high_tone_arms
http://twitpic.com/photos/project_apricot