Quick Travel: Traveling Through Thousands of Worlds, Just to Protect Her Throughout Her Life

[Quick travel, small world without CP, era, ancient times, modern times, etc. Male protagonist's perspective] The pen of fate once wrote them as destined cannon fodder. Some are struggling in the world, some are withering in the deep palace, or some are silently lost in the torrent of time. Until he came through time and space. It is their father who is the only variable in their lives. Traveling through various worlds, not to become a god, but to personally rewrite those names that have been let down and heal every deep-seated scar.