Quick answer — Yui Haga worked on Baka and Test - Summon the Beasts 2 (Original Character Design), Baka and Test - Summon the Beasts (Original Character Design), Baka and Test - Summon the Beasts Specials (Original Character Design) and 4 more anime.
Yui Haga worked on Baka and Test - Summon the Beasts 2 (Original Character Design), Baka and Test - Summon the Beasts (Original Character Design), Baka and Test - Summon the Beasts Specials (Original Character Design), Baka and Test – Summon the Beasts 2 Specials (Original Character Design), Baka and Test - Summon the Beasts: Christmas Special (Original Character Design), Astarotte's Toy EX (Original Creator), Astarotte's Toy (Original Creator).
