Reasons to Play DMM instead of Nutaku:
+More Content (Bloomed Form, every Character has a Character Quest, free Storage (200 storage capacity) for Manyus, Bloom Dragons etc.
+DMM Devs are very generous. Free Gems, Manyus, Bloom Dragons etc.
+Server Stability is a lot better compared to Nutaku
There are many more reasons but i am to lazy to list all of them atm.
Reasons to Play Nutaku FKG:
+Autorun
+Language (basically everybody speaks English)
You could also check this thread if you like:
http://harem-battle.club/flower-knig...ku-vs-dmm.html