The beginning

0x0 is about a girl named Mei which is secretly associated with the AAC (Assassination Aid Corporation) a.k.a her family's old time company . It's based on protecting citizens of japan and stopping the rivals that start new problems which are called Raveras (Ra-Vee-ra-s). Raveras are cruel and dangerous people that can be stop , but never stop causing problems . Her parents thought Mei was old enough to be established with a partner , unfortunately Mei was put together with a careless guy named Yuki (You-Key) . Progressing through the story both start getting along but then start building up a relationship...

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