Attack On Titan: Giant naked people eat small clothed people.

Naruto: The worst ninjas ever don't know stealth and scream their attacks at each other.

.Hack: Where Sword Art Online got all its ideas from.

Black Butler: Yaoi between a twelve year old boy and a demon with a human form.

Free! Iwatobi Swim Club: Hot shirtless guys who are all gay for each other... And I think maybe some swimming. I don't know, too many hot shirtless guys who are all gay for each other.