According to the latest issue of Dengeki G Magazine that a spin-off manga of Ore no Imouto ga Konnani Kawaii Wake ga Nai (Trans. My Little Sister Can't Be This Cute) will be serialized! Called, Ore no Kouhai ga Konnani Kawaii Wake ga Nai (Trans. My Junior Can't Be This Cute)!
Sakura Ikeda who illustrated the manga adaptation of the original light novel will also illustrate this spin-off. Further details about this is still currently unknown asides that it featured an original story which will feature one of Kirino's otaku friends, the gothic lolita wearing Ruri Gokou better known as Kuroneko as the main protagonist!