Nanatsuiro Drops(ななついろ★ドロップスNanatsuiro★Doroppusu, lit. Seven-Colored Drops) is a Japanese visual novel developed by UNiSONSHIFT and released on April 21, 2006. The first version, available on the PC, contains adult-only content. A version ported to the PlayStation 2 by MediaWorks was released without this content on September 20, 2007. A version for the Nintendo DS was released on May 15, 2008.