Quick answer — Keiko Oota worked on Kimi ni Todoke: From Me to You Season 3 (Character Design), Legend of the Galactic Heroes: Die Neue These - Collision (Prop Design), Tokyo Revengers (Character Design) and 7 more anime.
Keiko Oota worked on Kimi ni Todoke: From Me to You Season 3 (Character Design), Legend of the Galactic Heroes: Die Neue These - Collision (Prop Design), Tokyo Revengers (Character Design), Tokyo Revengers Season 2 Part 2 (Character Design), Tokyo Revengers Season 2 (Character Design), Legend of the Galactic Heroes: Die Neue These (Prop Design), Ace Attorney Season 2 (Character Design), Bungaku Shoujo (Design Works) and 2 more.