Kalk Samen Kuri no Hana (加爾基 精液 栗ノ花), also known as Kalk Samen Chestnut Flower and Chlorine Semen Chestnut Flower, is the third studio album by Japanese singer-songwriter Ringo Sheena, released on February 23, 2003, on Toshiba EMI / Virgin Music. The album's lead single was a massive success, topping the Oricon charts for the first time in her career. The short film Kaleidoscope: A Short Film (短篇キネマ 百色眼鏡, Tanpen Kinema Hyakuiro Megane) acts as a visual accompaniment to the album and was released prior to the album on January 22, 2003.