According to industry insider reports on September 15, Kep1er will be joining the October comeback lineup alongside fellow 4th-generation girl groups like (G)I-DLE, LE SSERAFIM, etc. 

Insider reports stated that Kep1er's comeback date was recently confirmed for October 13, marking the rookie girl group's first comeback approximately 4 months after the release of their 2nd mini album 'Doublast' and title track "UP!". 

Meanwhile, the girls of Kep1er most recently debuted in Japan with their 1st single album, 'Fly-Up'.