Pixel art artist.
Japanese name: 入山 となつ (Iriyama Tonatsu)
The other names: "t.iriyama" or ドットお姉さん (Dot Onee-san)
https://www.pixiv.net/users/24744480
https://www.pixiv.net/stacc/tonatsu_iriyama
https://twitter.com/tonatsu_iriyama
https://twitter.com/intent/user?user_id=3837397332
https://seiga.nicovideo.jp/user/illust/54996743
http://com.nicovideo.jp/community/co3138880
https://www.nicovideo.jp/user/54996743
https://sketch.pixiv.net/@tonatsu_iriyama
http://www.dmm.com/netgame_s/aigisc/