Hai all

I have read two chapters of 13th boy.and i did like the premise of it.

Can you please tell me something similar to the premise.
Like, a girl/boy was rejected by lover. break up. Now that girl/boy is not ready to break up that easily. and want to find out the reason.But that fellow is not revealing proper reason.
something similar to the above.

please tell me where can i find 13th boy full volumes.