Collapse, I Save Everything Alone

[2.3 million words completed] Mingyu, possessing the power to rewind time and traveling through a world of collapse, embarks on a journey of endless reincarnation and salvation. "After entering Saint Freya, you made many trustworthy friends." "You attempted to save many girls who should have died young, and in return, received their gifts." "A Certain Scientific Railgun, Mokopotmo, Infinite Space..." "Facing Kevin, you began to chant, summoning a barrier constructed entirely of the Holy Judge of Heavenly Fire." "Facing Alicia, you promised her that humanity would defeat the collapse, but without sacrificing everything." "Facing the Cocoon of the End, you gradually understood everything about that man. You knew you could defeat it, but it would be a long process, lasting eternity." "Traveling through the endless future, you finally transformed this imperfect world into a place of hope."