Ore no Imoto ga Konna ni Kawaii Wake ga Nai is popularly known by fans as Oreimo or My Little Sister Can't Be This Cute. When Kosaka Kyosuke finds a mysterious anime disc on the floor of his house he never would have imagined it belonged to his youger sister Kirino. Soon he finds out Kirino is a closet okatu of moe anime and younger sister eroge games. Brought into his sister's secret world he's in for the adventure of a lifetime.