Oomori Seiko's new song "KEKKON" will be digitally released on September 30. 

This announcement was made on September 18 during her birthday event 'Oomori Seiko Saitan-sai 2020' at LIQUIDROOM in Tokyo. She performed "KEKKON" for the first time during her one-man live 'Oomori Seiko Christmas Premium Concert: Makka ni Sonata Christmas' held last December, and she has performed it several times since at her lives. Prior to its release, the lyrics have been uploaded onto Uta-Net. 

Source & Image: natalie