Artist.
Japanese name: まとけち (Matokechi)
Old name: 小豆
Circle name: 和菓子食堂 (Wagashi Shokudou) (circle partner: Mochimochi Omochi)
https://www.pixiv.net/users/1652353
https://www.pixiv.net/stacc/aria155-aqua
https://twitter.com/mato_kechi
https://twitter.com/intent/user?user_id=2733811286
https://seiga.nicovideo.jp/user/illust/19279304
https://www.nicovideo.jp/user/19279304
https://gwd6ydiv.fanbox.cc
https://www.pixiv.net/fanbox/creator/1652353
https://sketch.pixiv.net/@aria155-aqua
http://myportal.circle.ms/CircleInfo/Menu/10030682
http://webcatalog.circle.ms/Perma/Circle/10030682
https://www.dlsite.com/maniax/circle/profile/=/maker_id/RG28442.html
