Utataneruko (ウタタネルコ) is a unit consisting of Ikasan, sana, Nayugorou, Ali and Oreo (000). They held their first live, called Neru-ko no Ofuton Senryaku (The Sleeping-girl's Matress Tactics) September 16, 2025, and released an album the same year. On January 11, 2016 they had theri second live with the same name as their previously released album.

All members are in charge of vocals. Additionally Ali is in charge of the bass, Ikasan of the drums, Oreo of the keyboard and illustrations, and Nayugorou of the keyboard. The profile section of their website also lists someone called Mucho as their support.



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