@Epicredeemer huh, I was actually thinking the opposite. That this world might be some sort of forgotten past. Regressing until it eventually becomes as it is in It's my Life.
Good chapter and I really enjoyed the series as a whole. But this ending... leaves a lot to be desired. An epilogue would do this manga a lot of good, because it doesn't really feel like like an ending at all.
Also, a big thank you to Rakuen Translations for finishing this for us! I really...