Pushu~ke~!! Psyche!, Ore no Imouto ga Konnani Kawaii Wake ga Nai Recommendations
Both follow female protagonists who are school idols, but are otakus at home who have perverted hobbies. In Ore no Imouto, the female protagonist enjoys playing eroges; whereas in Pushu~ke!! Psyche!, the female protagonist likes writing yaoi doujinshi.