I Got a Cheat Skill in Another World and Became Unrivaled in the Real World, Too, Vol. 2 (manga)  (English, Paperback, Mughal Arbash)

After opening a door to another world, Yuuya Tenjou finds the ultimate cheat and gets a second shot at life in his own reality as a flawlessly high-school boy! As he crosses between worlds, Yuuya's cheat skill only grows more and more powerful!