Quick answer — Ryou Andou worked on Mobile Suit Gundam: The Witch from Mercury (Assistant Director), Mobile Suit Gundam: The Witch from Mercury - PROLOGUE (Assistant Director), Mobile Suit Gundam: The Witch from Mercury Season 2 (Assistant Director) and 7 more anime.
Ryou Andou worked on Mobile Suit Gundam: The Witch from Mercury (Assistant Director), Mobile Suit Gundam: The Witch from Mercury - PROLOGUE (Assistant Director), Mobile Suit Gundam: The Witch from Mercury Season 2 (Assistant Director), Gate 2 (Chief Episode Director), Gate (Chief Episode Director), Interviews with Monster Girls (Director), Tiger & Bunny: The Movie - The Rising (Storyboard), Interviews with Monster Girls: The Demi-chans' Summer Break (Director) and 2 more.