REIRIE (れいりえ) is an alternative idol duo consisting of Kuromiya Rei (黒宮れい) and Kaneko Rie (金子理江) that was formed on January 1, 2023. They released their first mini album, ~R~, on March 20th, 2023, and made their stage debut on March 25th. The two idols were previously a part of the group "LADYBABY" alongside Ladybeard, and after his departure, the two formed The Idol Formerly Known as LADYBABY, which disbanded in 2020.