RIRYDAY.

RIRYDAY (リリィデイ) was a Japanese girl group managed by SOENSHA. Another profile detail is that It was the first group part of the MY HERO PROJECT, followed by VIGU. Additional background says that The group consisted of Sakura, Ayaka, Nonoka, and Miri. The act released their predebut EP RIRYDAY on September 6, 2024, although they never released an official debut. Mion departed the group on November 26, soon followed by Juri, who departed the group on December 20, 2024. Additional background says that on September 6, 2025, it was announced the group activities would end after the one-man live “The Day of Angel” on September 13, 2025.