Artist, niconico user.
Artist name: くろむ (Kuromu) or くろむ＠
https://www.pixiv.net/users/632240
https://www.pixiv.net/stacc/underporno
https://twitter.com/kuromu_under
https://twitter.com/intent/user?user_id=407784815
https://seiga.nicovideo.jp/user/illust/1272263
http://com.nicovideo.jp/community/co2343878
https://www.nicovideo.jp/user/1272263
https://sketch.pixiv.net/@underporno
https://monappy.jp/u/kuromuunder
