Ice Age? But I'm Married Now?

Family missing, house buried in debt. Just as I was about to be sold off to some old man, Logan—my lifelong rival who fought me for 1st and 2nd place at the Academy—proposed to me. I agreed to the marriage with the mindset of settling my debts first, but... The world ended? I just got married! “A world without you isn't worth existing. Why would I need a world like that?” As it turns out, Logan had repeated the cycle of regression nine times just to save me, and as a side effect, he was gradually losing his humanity. For the sake of this pitiful man who sacrificed everything for me— I, too, decided to survive this life, if only for him. Then, I suddenly gain a special ability I nev...