while dreaming that night ichigo and rukia were killing a hollow but i was already asleep to tell if they needed help (this is 3 days after rukia gave ichigo her powers.)in the dream i was running from a black figure next thing you know hes in front of you and hes holding a zanpakto. he asks for my name i tell him Xero.he says ironic thats my name. then he says do you want the power to help people and i said ofcouarse then i wake up sweep shop and rukia shows.

Xero:im gussing you are rukia? Rukia:yes,and i assussme you are the kid who couldent resist coming to a different dimension.
Xero:unfortunately..... Rukia:to bad, well im supposed to take you to school so if any one asks just tell them your my little brother and that my family adopted you resently.Xero:fime but where are you going to school ? Rukia:karakura high,its the tall buliding if you need me il be on that roof.

she takes you to the school but what you dont get is that the principal and teachers buy her story without any proff or adoption papers. its almost as if they where hipnotized (Xero doent know about soul reapers yet or atleast thats what he whated everyone to think)at lunch you start to sense a hollow wh at do you do..