Artist, illustrator.
Japanese name: リヨハ (Riyoha)
Site name: 猫型スピカ (Nekogata Spica)
https://www.pixiv.net/users/387432
https://www.pixiv.net/stacc/riyoha
https://twitter.com/ichirun
https://twitter.com/intent/user?user_id=97952437
https://seiga.nicovideo.jp/user/illust/4462343
http://com.nicovideo.jp/community/co410207
http://www.nicovideo.jp/mylist/24924260
https://www.nicovideo.jp/user/4462343
https://sketch.pixiv.net/@riyoha
https://www.tinami.com/creator/profile/46557
https://ryh-spicat.tumblr.com
http://twitpic.com/photos/ichirun