Artist.
Japanese name: ぬるけん
Circle: ぷちえご！
https://www.pixiv.net/users/3357
https://www.pixiv.net/stacc/nullpos
https://twitter.com/nullken
https://twitter.com/intent/user?user_id=6274232
https://seiga.nicovideo.jp/user/illust/42766785
https://www.nicovideo.jp/user/42766785
https://pawoo.net/@nullken
https://pawoo.net/web/accounts/68890
https://nullken.fanbox.cc
https://www.pixiv.net/fanbox/creator/3357
https://sketch.pixiv.net/@nullpos
https://monappy.jp/u/nullken
