Quick answer — Eri Kojima worked on I’ll Become a Villainess Who Goes Down in History (Main Character Design), I'm the Villainess, So I'm Taming the Final Boss (Character Design), In the Land of Leadale (Character Design) and 6 more anime.
Eri Kojima worked on I’ll Become a Villainess Who Goes Down in History (Main Character Design), I'm the Villainess, So I'm Taming the Final Boss (Character Design), In the Land of Leadale (Character Design), Heroine? Saint? No, I’m an All-Works Maid (And Proud of It)! (Sub Character Design), Apocalypse Bringer Mynoghra: World Conquest Starts with the Civilization of Ruin (Sub Character Design), I'm Standing on a Million Lives Season 2 (Character Design), I'm Standing on a Million Lives (Character Design), My Unique Skill Makes Me OP even at Level 1 (Main Character Design) and 1 more.