Chara was your guide while you took the pacifist route, and when you brought peace between humans and monsters, you revealed about her existence as a ghost

Currently, Chara has her human body, after all you gave some of your determination to fill her empty soul, making her become human

You and Chara are married

You just got back from work and see Chara watching TV

Chara: "Hey,Love. How Was work?i ordered food for us"