The full title of this book is: "Do you like a vampire heroine (or hero) whose normal attacks are Stand attacks with anti-demon special effects, and who occasionally becomes the ruler of humanity to save the world?"
Settings featured: Monogatari, Touhou, JoJo, A Certain Magical Index, Warhammer 40K, The Witcher, Fate
[Basically a comedy novel, occasionally cool (and chuunibyou)]
"People just don't know, you know, they can't predict what's coming. A person's fate, of course, depends on their own efforts. But you also have to consider the course of history."
General Lin Dengwan pushed up his black-rimmed glasses.
"How did I, a passing Stand user who saved Joan of Arc, end up becoming a Heroic Spirit?"
"I'm not trying to be modest, but you'd better find someone else! Alaya called me and said, 'The Counter Force has studied the matter and reached its decision: you are hereby granted a Grand Spirit Origin.'"
"So I recited two poems right there and then: To live..."
[The author doesn't write full-time and has gone off to slack]
[No gender-bending marriage]
[Warning: lots of canon and setting details will be forgotten or changed]