Summerdays

, also known as "그 여름날, 우리는" ("On that summer day, we...") is a 4-member special idol unit formed in 2023 and based in South Korea. The unit features both members of HARUSPE alongside former members from LIPIMOON and GENtellite.

2023-Present
On May 13, 2023, The Summerdays official twitter posted the first pictures of the group's concept, revealing original members Hanya, Ruru and Juna. On the same day, their first live performance was announced for July 2nd at GEEK live house.

On September 6, they announced the addition of member MIKO to the group with her own set of concept images.

Current Members

 * Hanya (한야) (Original Member)
 * Juna (주나) (Original Member)
 * MIKO (미코) (Joined September 6, 2023)
 * Ruru (루루) (Original Member)

Discography
TBA

Trivia

 * Hanya and Ruru are both members of HARUSPE.
 * Juna is a former member of LIPIMOON.
 * MIKO is a former member of GENtellite.