I Don't Like You At All, Big Brother!! Is a harem comedy manga series in the vein of He Is My Master, presented for the first time in North America in 2-in-1 omnibus format. In Japan, I Don't Like You At All, Big Brother!! Is a popular ongoing manga that has spawned a successful anime TV series, which aired in spring 2011 for twelve episodes. An additional OVA episode was released on Blu- Ray in Japan in July 2011. High school junior Takanashi Nao has a problem: she has a crush on her dreamy older brother, Shuusuke. When Nao discovers that she was adopted as a child and they're not related by blood, it seems like the coast is clear -- but Shuusuke just doesn't see it that way. To make matters worse, Nao finds herself in direct competition against Shuusuke's hot childhood friend, Iroha, not to mention class president Mayuka. As all three girls vie for Shuusuke's attention, Nao soon learns that all is fair in love and war!

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