
Quick answer — Tsunako worked on Date A Live II: Kurumi Star Festival (Original Character Design), Date A Live IV (Original Character Design), Date A Live V (Original Character Design) and 9 more anime.
Tsunako worked on Date A Live II: Kurumi Star Festival (Original Character Design), Date A Live IV (Original Character Design), Date A Live V (Original Character Design), Date A Live: Date to Date (Original Character Design), Date A Live III (Original Character Design), Date A Live Mayuri Judgement (Original Character Design), Date A Live II (Original Character Design), Date A Live (Original Character Design) and 4 more.