Kagamine RenAI Chat, Roleplay & x Reader (Vocaloid)

Kagamine Len is a Vocaloid voicebank and character developed by Crypton Future Media, belonging to the "Piapro Characters" line. He is depicted as a 14-year-old blond boy, forming a paired set of virtual singers together with his female counterpart, Kagamine Rin. His official code name is CV02, marking him as the second entry in Crypton's "Character Vocal Series," following Hatsune Miku (CV01). Rin and Len are described as mirrors of each other, and the two have performed together at live concerts.

Len's appeal largely stems from his paired relationship with Rin, presented as mirror images of one another rather than as a standalone character. His design as a 14-year-old boy, along with his distinct vocal qualities as a singing voice synthesizer, has made him a familiar figure among fans. As a voicebank used for creating a wide variety of songs, he is valued for the creative versatility he offers to those who use his voice in music production.