Act in Another World for Three More Minutes

In this different world called Edward, there is a dangerous monster called "Ofa". Whenever they appear, the entire world will fall into a state of time stop. In order to fight against the "Europeans" who can stop time, humans created a profession called "Knights". As long as they hold blessed weapons, they can kill the "Europeans" while time is stopped. An ordinary high school student named "Tokushima Taiga" decided to commit suicide for some reasons, but unexpectedly traveled to this different world, and found that he could act three minutes ahead of "Ofa" and "Knight". He finally traveled to a different world. He originally wanted to be a heroic adventurer, but because of his ability, he was forced to train as a "knight" and was sent to a knight academy? ?