Koi, Ichibanme

 is the fifth single by ukka. It was released on June 24, 2020 and is the first release under the new group name.

Single Information

 * Catalog Number: SDMC–1071 (Type A), SDMC–1072 (Type B)

Type A

 * Koi, Ichibanme (恋、いちばんめ)
 * 1) Uno-Uno (ウノ-ウノ)
 * 2) Poppin'love
 * Koi, Ichibanme (Instrumental)
 * 1) Uno-Uno (Instrumental)
 * 2) Poppin'love !!! (Instrumental)

Type B

 * Koi, Ichibanme (恋、いちばんめ)
 * 1) Jikan. Hikari Kagayaku Rasen no Tama. (時間. 光り輝く螺旋の球. )
 * 2) can't go back summer
 * Koi, Ichibanme (Instrumental)
 * 1) Jikan. Hikari Kagayaku Rasen no Tama. (Instrumental)
 * 2) can't go back summer (Instrumental)

Featured Members

 * Mizuha
 * Kawase Ayame
 * Murahoshi Riju
 * Sora Akane
 * Sakurai Misato
 * Serizawa Moa