My Instant Death Ability is Overpowered - Season 1, Episode 02: My Guardian Angel Is So Overpowered, This Other World Is a Piece of Cake!
Trailer
Yogiri Takatô's school bus was summoned to another world by a Sage who shows just how horrible she and the world is by killing the adults for petty reasons and telling the students they are to be trained as sages to fight demons. She only takes the gifted ones, leaving the rest to die.
