'RUMARI (るまり)' is the second ever EP by lumaline, set to release on 12/20/25. It has 5 tracks all containing vocals from a UTAU voicebank based on lumaline vocals, with UTAU assistance from VocalSynth user @BGTY_svp on Twitter.

"Rumari" is the name of the virtual singer based on 'lumaline', which the EP is named after. Release of the voicebank has yet to be announced or confirmed.