LADYBABY is a kawaii-metal group originally consisting of Rie Kaneko, Rei Kuromiya and Ladybeard and was formed to advertise a clothing brand in 2015. The trio went viral with their video "Nippon Manju" due to the quirkiness of the video as well as Ladybeard's appearance. Shortly after, Ladybeard left the group for unkown reasons and later formed another kawaii-metal duo called Deadlift Lolita. Ladybaby continued as a duo known as The Idol Formerly Known as Ladybaby until member Rei decided to leave as well - she is currently active in her previous group. Rie decided that she would revive Ladybaby and recruited 3 new girls: Fuka Karasawa, Nana Ikeda & Emily Arima. They would make their redebut with the single "Hoshi no nai Sora" with several tracks including former member Ladybeard May 30, 2018.