Christina Xu
Christina Xu is a young woman who lives with her parents at F.E.A.S.T., she took in Spider-Boy after he had saved her from Mr. Negative's Inner Demons.
Origin
Christina and her family live at a F.E.A.S.T. homeless shelter. This is after Mister Negative was exposed as the villain using the non-profit as a safe house and as such it was once again a place for truly helping people.
One day, Christina found a safety deposit key in a crawl space and planned on using it to use it open the box and get the richies, but The Inner Demons learned about it and tracked Christina down.
It look bad for Chiristina but Spider-Boy came along and saved her by beating up the Inner Demons, destroying the key, giving them no reason to pursue Christina anymore. Christina thanked Spider-Boy and in return Spider-Boy revealed to her his secret identity of Bailey Briggs.
Learning Bailey had no where to go, Christina brought him back to FEAST where he was excepted by the Xus and the others in the shelter.
Christina has been one of Briggs one true friends as he tried to get his life back together. She is one of the few non-super power people to know Spider-Boy alternate identity and that infact that he has a mother, but doesn't know why he doesn't see her.
Creation
Christina was created by Dan Slott and Humberto Ramos, and first appeared in Edge of Spider-Verse #3 - Nobody Knows Who You Are. She then became a reoccurring character in Spider-Boy.
Major Story Arcs
Edge of the Spider-Verse
Christina meets and befriends Spider-Boy after he saves her life.
Web-less Wonder
Over the first few months of being friends with Bailey Briggs he has saved Christina from Hellifino, Balloon Man and Boy-Spider, the last one put a strain in Spider-Boy and Christina's relationship.
The night Boy-Spider was running a rampage on the city, Briggs over hears Christina tell Spider-Man that Briggs has been acting weird. This hurts Briggs feeling an he runs away from his Spider family and his only friend, Christina.