Sumire Sisters" was a female singing duo (sister duo) that released records in the late 1960s through Daiei Records in Japan. Their main songs include the following singles: "I'm Lonely" (B-side: Date at the West Exit Plaza) - Released January 1968 "Shall We Go on an Adventure?" (B-side: It's Okay If It's Just a Dream) - Released March 1968 These songs were later included in the compilation CD "Phantom Masterpiece Liberation Song Collection Daiei Records" released by P-VINE. Read more on Last.fm