Remixed version of 17 outro themes from anime & game series "Ore no Imoto ga Konna ni Kawaii Wake ga Nai" are included. Also features three bonus tracks by Kirino (CV: Ayana Taketatsu) and Kuroneko (CV: Kana Hanazawa), TV-size intro theme "irony," and full-length insert song "Meteo Impact" sung by Yukari Tamura.