Shotaeroid-P (ショタエロイドP) or Cielo-P (しえろP) is a producer well known for making cover songs using Kagamine Len. Many of his covers have exceeded 100,000 views, with National Awakening - Catharsis and Tori no Uta being the most notable. He is also an illustrator, depending on which P name he uses.
He has two P names and puts the tag "Shotaeroid-P" in his video when his songs contain "erotic contents". If they do not contain "erotic contents", the tag in his video will be "Cielo-P", and in general, most of Cielo-P's works uses his own illustrations.
He has been given the title 'Legendary LEN Master' on several of his works such as 'Tori no Uta' and 'National Awakening - Catharsis-'.