10 votes on any set gets you that set sent to your email.
20 votes on any set gets you that set plus that set's bonus.
Decked Out bonus: The entire deck or 52 cards plus the 2 jokers.
Chain of Love bonus: More shots from the shoot.
Tiny bonus: The complete Tiny set including the NSFZ shots.
All other sets have special bonus material from Shakikai herself. http://www.zivity.com/models/Shakikai