Lost Ones from Another World (S01E01)

Nishimura Taichi and Azuma Rin were just typical high schoolers when a glowing magic circle surrounded them after narrowly avoiding a speeding bicycle on their way to class. When they come to, they discover themselves in a strange new world filled with lush forests and sprawling grassy fields. While they struggle to make sense of their bizarre situation, their day takes a darker twist as a massive horse with a menacing horn charges at them...