Japanese website animeanime asked their readers: Which anime series is worthy of a sequel? 13,572 people responded and 80% of the voters were women while the other 20% were male.
Here are the results:
10) Sword Art Online
9) Mushi-Shi
8) No Game No Life
7) Ookiku Furikabutte
6) Free!
5) Senyuu.
4) Akatsuki no Yona
3) Natsume Yuujinchou
2) Hoozuki no Reitetsu
1) Gekkan Shoujo Nozaki-kun