[velocity7]

Originally Posted by Sushi-Y

Spoiler:

Note that if you complete Fuuko's scenario before Nagisa's, you will lose one orb at a certain point during your run through Nagisa's route (but don't worry, you'll get it back later in After Story).

Spoiler:

I actually checked on this one, via variables, and it's more specifically like this:

If you don't play Fuuko's scenario first, say you play like Kyou's then Kappei's and then finally Nagisa's, you will lose an orb during Nagisa's route.

However, if you had no orbs to begin with, you won't lose any during Nagisa's route.

Much tracing of the variables in RealLive came to this conclusion. :S