
Quick answer — Etsuko Sumimoto worked on March comes in like a lion (Accessory Design), Honey and Clover (Animation), Tsuredure Children (Character Design) and 4 more anime.
Etsuko Sumimoto worked on March comes in like a lion (Accessory Design), Honey and Clover (Animation), Tsuredure Children (Character Design), 'Tis Time for "Torture," Princess (Sub Character Design), As Miss Beelzebub Likes it. (Character Design), Yurikuma Arashi (Character Design), Drug Store in Another World - The Slow Life of a Cheat Pharmacist (Character Design).