https://www.pixiv.net/users/46831555
https://www.pixiv.net/stacc/user_retc2355
https://twitter.com/segu_ishida
https://twitter.com/intent/user?user_id=1143103126594961408
https://anifty.jp/@ishidasegu
https://foundation.app/@segu_ishida
https://ishidasegu.fanbox.cc
https://sketch.pixiv.net/@user_retc2355
https://skeb.jp/@segu_ishida
https://www.instagram.com/ishida.segu/
https://twitter.com/isida_segu