Artist.
Japanese name: 松谷 (まつや, Matsuya)
Circle names: "Pile*" or "To-Ten."
Email: 82matsuya@gmail.com
https://www.pixiv.net/users/32393
https://www.pixiv.net/users/40983049
https://www.pixiv.net/stacc/user_pamp7433
https://www.pixiv.net/stacc/xgx666
https://twitter.com/syohsa
https://twitter.com/syohsa00
https://twitter.com/intent/user?user_id=1273576266860396545
https://twitter.com/intent/user?user_id=2880419334
https://omuraisu.booth.pm
https://toten.booth.pm
https://pawoo.net/@xgx666
https://pawoo.net/web/accounts/647399
https://cgcs22gi.fanbox.cc
https://www.pixiv.net/fanbox/creator/32393
https://sketch.pixiv.net/@user_pamp7433
https://sketch.pixiv.net/@xgx666
https://skeb.jp/@syohsa
https://kk-nn.tumblr.com
https://misskey.io/@syohsa
https://misskey.io/users/9dfrhhas5n
https://ask.fm/matsuya29
https://privatter.net/u/hsyohsa
https://privatter.net/u/matsuya29
https://privatter.net/u/syohsa
http://portal.circle.ms/Circle/Index/10028825
https://ec.toranoana.jp/joshi_r/ec/cot/circle/MUPADA6P8X7Od26Td687/all/
https://bsky.app/profile/syohsa.bsky.social
https://bsky.app/profile/did:plc:pfron6zpmzm3geyqua3aw2ko
https://fusetter.com/u/syohsa
https://giftee.co/u/syohsa
https://giftee.com/u/syohsa
https://marshmallow-qa.com/syohsa
https://odaibako.net/u/hsyohsa
https://odaibako.net/u/syohsa
https://ofuse.me/syohsa
https://poipiku.com/1057313/
https://min.togetter.com/id/syohsa
https://togetter.com/id/syohsa
http://twpf.jp/hsyohsa
https://wavebox.me/wave/1uvz1fb3xnsan72g
https://twitter.com/hsyohsa
https://twitter.com/matsuya29
https://twitter.com/intent/user?user_id=889057870569807873
http://p.twipple.jp/user/matsuya29
http://twitpic.com/photos/matsuya29
https://twpf.jp/matsuya29
http://www.ustream.tv/user/p_matsuya
http://yfrog.com/user/matsuya29/photos
