Artwork by voice actor Inoue Marina.
https://twitter.com/Mari_navi
https://twitter.com/intent/user?user_id=200001481
https://en.wikipedia.org/wiki/Marina_Inoue
https://ja.wikipedia.org/wiki/井上麻里奈
https://www.animenewsnetwork.com/encyclopedia/people.php?id=20999
https://myanimelist.net/people/158
