Otome Game no Hametsu Flag shika Nai Akuyaku Reijou ni Tensei shiteshimatta... S02E11 - Keith Disappeared… Part 3

Upon learning that Keith was kidnapped, Catarina heads to the mansion that Alexander indicated to save him. The group enters the mansion even as Maria detects powerful dark magic there. After slipping past the many guards, they arrive at a hidden room, where they find Keith lying on the floor with his hands and feet bound.