The Moon Cell's Grand Order

"Servant, Avenger has answered your summons."

"...What's with that look? Come on, here's the contract."

Jeanne d'Arc Alter casually held out a contract to the girl before her. Smiling, the girl took it and signed her name: [Francis Xavier].

"Hey! What are you doing, Kishinami Hakuno?!"

This is the story of Zabi-ko from the Great King route arriving in the world of FGO.