One Dark And Gloomy Winters Night

there are two main characters one is a female the other is a male and they were together before the female lost all of her previous memories about her and the male is more than just childhood friends then there is one character who is male and wants to be like the two main characters are expecting twins but the female main character has a sad backstory which caused her to forget about the past of when she was murdered by a hunter because only the male main character remembers that day because he took away that memory to save her from having PTSD and anxiety as he cares deeply for her. The characters have now had the twins after six months of the female character carrying them and during the birth of the twins the female character regains the locked memory that the male character remembered