https://www.pixiv.net/users/5980897
https://www.pixiv.net/stacc/risukurosaki
https://twitter.com/risunator
https://twitter.com/intent/user?user_id=112809347
https://www.deviantart.com/risunator
https://sketch.pixiv.net/@risukurosaki
https://www.facebook.com/kurosakirisu
http://danbooru.donmai.us/users/430892
https://twitter.com/risu_art
https://www.deviantart.com/artofrisu
https://www.deviantart.com/risukurosaki
