Koigokoro

"Koigokoro" (恋心) is a song by Japanese recording artist Nanase Aikawa from her second studio album Paradox (1997). The track was composed by Tetsurō Oda and released as a single on October 7, 1996. It peaked at number 2 on the Oricon Singles Chart and was certified million by the Recording Industry Association of Japan (RIAJ).