
Quick answer — Kouji Seo worked on The Café Terrace and Its Goddesses Season 2 (Original Creator), The Café Terrace and Its Goddesses (Original Creator), Kimi no Iru Machi: Tasogare Kousaten (Original Creator) and 3 more anime.
Kouji Seo worked on The Café Terrace and Its Goddesses Season 2 (Original Creator), The Café Terrace and Its Goddesses (Original Creator), Kimi no Iru Machi: Tasogare Kousaten (Original Creator), Suzuka (Original Creator), A Town Where You Live (Original Creator), Fuuka (Original Creator).