Artist.
Japanese name: 石原 さいか (Ishihara Saika)
https://www.pixiv.net/users/14611455
https://www.pixiv.net/stacc/haraisisaika
https://sketch.pixiv.net/@haraisisaika
https://www.pixiv.net/users/6070916
https://www.pixiv.net/stacc/01300215
https://twitter.com/gontyansan
https://twitter.com/saika0215
https://twitter.com/saika_gontyan
https://twitter.com/sasarisasaika
https://twitter.com/yasaibusoku_s
http://twitpic.com/photos/saika0215
