Class ga Isekai Shoukan sareta Naka Ore dake Nokotta n desu ga

Story:

The God of another world suddenly appeared in the class of Kamiya Yato and forcibly called the whole class into his world… Except for him… Because he slept in the corner of the class, and the magic circle of the call did not touch him. And he stayed on Earth, but gained new skills. After a year of police interrogations and interviews with journalists, he finally got into high school, but the quiet days he wanted were long over. Whether it is terrorists who decide to take over the school or monsters from another world, in the city where he lives, one event after another takes place… Will the guy be able to save the world without any motivation?