
Quick answer — Shiro worked on Encouragement of Climb: Next Summit (Original Creator), Encouragement of Climb Season 3 (Original Creator), Encouragement of Climb Season 2 (Original Creator) and 3 more anime.
Shiro worked on Encouragement of Climb: Next Summit (Original Creator), Encouragement of Climb Season 3 (Original Creator), Encouragement of Climb Season 2 (Original Creator), Encouragement of Climb Season 3 OVA (Original Creator), Encouragement of Climb (Original Creator), Yama no Susume: Kabette Kowakunai no? (Original Creator).