Artist, niconico video creator.
Name (1): ヤッペン (Yappen)
Name (2): ヤッ (Ya!)
Circle name: ヤッてみよう！ (Yattemiyou!)
https://www.pixiv.net/users/923597
https://www.pixiv.net/stacc/sasurainoyasuo
https://twitter.com/yatt83
https://twitter.com/intent/user?user_id=168184525
https://seiga.nicovideo.jp/user/illust/13024221
http://www.nicovideo.jp/mylist/15231414
http://www.nicovideo.jp/mylist/26106712
http://www.nicovideo.jp/mylist/38469047
https://dic.nicovideo.jp/u/13024221
https://www.nicovideo.jp/user/13024221
https://yappen.fanbox.cc
https://www.pixiv.net/fanbox/creator/923597
https://sketch.pixiv.net/@sasurainoyasuo
https://skeb.jp/@yatt83
https://ask.fm/yatt83
https://piapro.jp/yatt333
https://www.youtube.com/@ヤッペン
https://www.youtube.com/channel/UCOR1M-BgFV4BG_u12s1S37w
http://portal.circle.ms/Circle/Index/10208471
http://webcatalog.circle.ms/Perma/Circle/10208471
https://www.melonbooks.co.jp/circle/index.php?circle_id=16383
https://bsky.app/profile/yatt83.bsky.social
https://bsky.app/profile/did:plc:tcuhtrx2wfq74mzqcyhcnufn
http://soundcloud.com/yatt83
http://com.nicovideo.jp/community/co1207229
http://blog.livedoor.jp/yatt83/
http://twitpic.com/photos/yatt83
