I Kept Pressing the 100-Million-Year Button and Came Out on Top, Vol. 2 (manga)

After honing his swordcraft in an alternate world for over a billion years, Allen Rodol has finally achieved his dream of getting into Thousand Blade Academy. But nothing is quite going according to plan he suddenly finds himself living with a princess as his servant, and all his classmates hate him! It s up to Allen to sort out his academy life before the Elite Five Holy Festival, where he ll need to duke it out with gifted first-years from the other Elite Five Academies. In the face of overwhelming talent, will Allen s unparalleled dedication manage to come out on top?!