Ore Ga Suki Nano Wa Imoto Dakedo Imoto Jya Nai - Ore Ga Suki Nano Wa Imoto Dakedo Imoto Jya Nai Intro Theme: Secret Story (Type-A) - Japan CDCredits: Purely Monster Description: Purely Monster's long awaited 3rd single! In addition to "Secret Story" (lyrics by Mayumi Kon, music composed arranged by no_my), the opening theme for the TV anime "Watashi wo suki na na wa mezomu wa shimono but she's not my sister," the regular disc A includes coupling A and off vocal tracks for each. Cover: Yuzuki Konno, Yui Nakajima Tracklisting: 1 SECRET STORY Purely Monster 2 INFINITE HORIZON Purely Monster 3