Holder Front: Climbing the Holder World Rankings Between the Ordinary and the Extraordinary

On the way home, I found a leather scissor case. When I put it on, a strange robotic voice sounded and my everyday world changed into an extraordinary one. The world was so mysterious and strange. It was like a game. A battle between Holders, people with special abilities, and monsters, called Kagei. A battle between Holders for rankings. The protagonist gets caught up in the battle between Holders, and with his extraordinary adaptability, he climbs the ranks of the Holder world. This is the story of the everyday and extraordinary life of such a man.