SUMMER OF '21

SUMMER OF '21 is the 64th single by Koda Kumi. Physical copies were sold exclusively through her fanclub and through mu-mo.

CD

 * 1) We'll Be OK
 * 2) Doo-Bee-Doo-Bop
 * 3) to be free
 * 4) We'll Be OK -Instrumental-
 * 5) Doo-Bee-Doo-Bop -Instrumental-
 * 6) to be free -Instrumental-

DVD

 * 1) We'll Be OK -Music Video-