Osa
Also known as Sette mari
https://www.pixiv.net/en/users/1019602
https://twitter.com/osa1119
- Dear my... Love Live! Doujin released Mar 14 '20 Honoka x Umi Yuri
- WHICH!? Love Live! Doujin released Aug 10 '20 4-koma Honoka x Kotori x Umi
Also known as Sette mari
https://www.pixiv.net/en/users/1019602
https://twitter.com/osa1119