Oreimo
オレノイモウトガコンナニカワイイワケガナイ
Aired: 2010 - 2013
The story follows a brother who discovers his seemingly perfect and strong-willed younger sister's secret—that she is actually a closet otaku—and finds himself caught up in her antics despite their previously strained relationship. The first season aired as a late-night anime on TOKYO MX and other stations from October to December 2010. The second season "Oreimo." began airing in April 2013.