Dark Elf's Adventure

10 years after the end of the Dark Elf War, Tanya of the Dark Elf was an adopted daughter living with her human mother. There's a main story about what this power does to her. The procedure leads to 10 different endings. The story proceeds through prostitution and fighting at the player's discretion. Which ending is the official history of Tanya? This judgment should be left to the player's judgment.