There are more than one artists named Runo: Runo (japanese) is a resident at Second Life, the online reality fantasy simulator. She is also the president of the private label, "Girls Pop Lab".
From an early age she listened to girls pop and started making tracks when she got her hands on a Roland XP-50 Synthesizer. She likes poppy, catchy and sparkling with cutesy electro pop.
Runo is interesting because the music is being written by her character in Second Life and submitted through Second Life to Niko Niko Douga (Japanese YouTube alternative).