3000-nen ni Ichido no Happiness

 (3000年に一度のハピネス; Happiness once every 3000 years) is the second single by SAY-LA. It was released on January 2, 2018, and peaked at #3 on the Oricon single chart.

Type-A CD

 * 1) 3000-nen ni Ichido no Happiness (3000年に一度のハピネス; Happiness once every 3000 years)
 * 2) Koi suru Kimi ni Koishiteru (恋する君に恋してる; I'm in love with your love)
 * 3) MARIA

Type-B CD

 * 1) 3000-nen ni Ichido no Happiness
 * 2) Koi suru Kimi ni Koishiteru
 * 3) BELIEVE