Well it depends. He tends to show up to people who have the potential to become good Magical Girls for him, and he can be quite evasive.
Though you might want to consider the full details of the contract before doing so, and ask yourself if you are willing to handle all other consequences of it too.
*Reads the message a few times* Do I have to become a girl for this?
And also were is the contract
I'm taking that you've not seen Maho Shoujo Madoka Magica before, and don't understand what the series is about, do you?
Maho Shoujo madowhatnow?
(that means no
)
)