What is the artist name?

The hentai is Shikijou Kyoudan, based on a visual novel of the same name. The hentai animation has 2 episodes

Visual novel info:
https://vndb.org/v21690

Hentai info:
https://myanimelist.net/anime/40700/Shikijou_Kyoudan

Reference pics (visual novel):


Reference pics (hentai):



Enjoy!

The game is Lustful Cult published by Orcsoft, it can be obtained here: https://www.dlsite.com/ecchi-eng-touch/work/=/product_id/RE212553.html

The hentai adaptation can be viewed here: https://hanime.tv/videos/hentai/shikijou-kyoudan-1

The hentai is Shikijou Kyoudan, based on a visual novel of the same name. The hentai animation has 2 episodes

Visual novel info:
https://vndb.org/v21690

Hentai info:
https://myanimelist.net/anime/40700/Shikijou_Kyoudan

Reference pics (visual novel):


Reference pics (hentai):



Enjoy!