is there a well animated ecchi type animes that are new (2012 or going to 2013) and worth not having a life to watch it ?

Nyarko-San: Another Crawling Chaos was the only ecchi of 2012 that I watched all of. It's pretty zany and ecchi and based on Lovecraft mythology. I'd recommend try the first episode and if you're ok with the pace of the show (it's super fast), try the rest. It's only 12 episodes. it's also a bit on the pettanko side, in case that's a deal breaker.

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high school dxd season 2 and well if you havent watched it already kiss x sis is super ecchi and i think another ova is coming out for it next year though