Primitive Idle is Watching You...Original by Sohbana sm41173111 https://youtu.be/GR2EC0Emt-A?si=QVlJsvKtHmZtoq2aVoiced by 紡乃世詞音 (A.I.VOICE, KotonoSync, VocalShifter)Chorus by Mai & 小春六花 (SynthV)UST by 水越 sm41227626 その他 by shinno=nomura
http://www.nicovideo.jp/watch/sm42635892