Mirai Nikki. It's the only anime that captured my attention while I was attending an anime club last year. You see, the only reason I was going was because a girl I like also attended, and I happen to like the anime art style. That being said...I spent most of my time there asking, "Why doesn't he just shoot her?"
It captured my interest, but not enough to really sell me on the genre. I tend to prefer something a bit more serious, and the woman who runs the anime club only ever shows weird stuff and a bunch of magical girl animes that make me want to vomit. I've been meaning to watch Attack on Titan now that it's on Netflix, but I could never motivate myself enough to tear myself away from League of Legends and sit down and watch it.
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"There are three things that all wise men fear: the sea in storm, a night with no moon, and the anger of a gentle man."
-Count Threpe, The Wise Man's Fear by Patrick Rothfuss