Ki Sera Sera

 is the first single released by FRUN FRIN FRIENDS. It was released on April 18, 2020. A re-pressing known as "Other Jacket ver." was released on August 24, 2020. It was released digitally on November 18, 2020.

Tracklist

 * 1) Ki Sera Sera (キセラセラ)
 * 2) yum yum

Featured Members

 * Nayuta Aku
 * Usakura Beni

Single Information

 * 1) Ki Sera Sera
 * 2) *Lyrics & Composition: Tsuruuchi Hana
 * 3) * Arrangement & Music: Takayuki Kato, Tsuruuchi Hana
 * 4) yum yum
 * 5) *Lyrics: Nayuta Aku
 * 6) *Arrangement: teoremaa, Nayuta Aku