Name: MIMI Gender: Male Birthday: Jan 21 Debut: June 9, 2016 Representative Songs: Bouquet, Hollowing, Hug, Live Other: A Vocaloid producer (Vocaloid P). He excels at composing songs with a lyrical yet somewhat fast-paced atmosphere. Most of his uploads feature a characteristic piano melody as the main theme, giving his work a consistent vibe. Because of this, anyone who likes his basic melodic style will find most of his songs easy to listen to. While he is sometimes misunderstood as only writing lyrical piano rock, he actually composes across a wide range of genres including waltz, swing, and ballads. He primarily uses KAFU as his Vocaloid, but occasionally uses Miku or Teto. Outside of Vocaloid production, he also composes and covers piano pieces. He enjoys healing by watching videos of baby seals. His MBTI is INFP.

Name: Nuyuri Gender: Male Birthday: March 14 Debut: July 19, 2011 Representative Songs: Lower, Inochi Bakari, Proto Disco, Fixer, Fragile Other: A Vocaloid producer (Vocaloid P). He mainly uses GUMI, v flower, and Xin Hua, though he has also used Kagamine Rin/Len, Hatsune Miku, and Yuzuki Yukari. Recently, he has been using Kasane Teto as well. His music is characterized by addictive melodies that stick in the mind, flashy bass lines, and gloomy, complex lyrics. His use of unique electro-swing rhythms is a particular highlight. His popularity skyrocketed after the massive hit of "Fragile," uploaded in 2016.

Name: Iyowa Gender: Male Birthday: Sept 23 Debut: 2018 Representative Songs: Kyu-kurarin, Living Through 1000 Years, Heat Abnormal, Peach-Colored Key Other: A Vocaloid producer (Vocaloid P) and a Japanese freelance composer/lyricist. He is a multi-creator who handles not only the music but also the videos, illustrations, mixing, and mastering. He occasionally creates videos for other Vocaloid producers. He is a member of Studio Gohan, an animation team centered around Harumakigohan. His stage name comes from "I ga yowai" (Weak stomach). His Piapro ID is "igayowainoyowatashi" (My stomach is weak, you know) and his Twitter ID is "igusuri_please" (Stomach medicine please). However, according to his comments on the song "Over!", he doesn't suffer as much lately due to dietary management. He likes light pink and has a timid personality.

Name: Orangestar Gender: Male Birthday: Aug 20 Debut: April 2, 2013 Representative Songs: Night Sky Patrol of Tomorrow, Earphones and the Cicadas' Song, The Rotating Sky Rabbit Other: A Vocaloid producer (Vocaloid P). He primarily uses IA, and occasionally Hatsune Miku. He mostly composes songs with a summer feel, which is why his thumbnails often use blue tones. His style is characterized by dramatic piano melodies and drum beats. He frequently uses words like "tomorrow," "sky," "night," and "unfinished" in his lyrics. He is often called "Mikansei-P" (Unfinished P).

Name: Kairiki Bear Gender: Male Birthday: Sept 30 Debut: June 2, 2011 Representative Songs: Venom, Failure Girl, Angel, Bug, Darling Dance, Alkali Underachiever Other: A Vocaloid producer (Vocaloid P). He creates rock music with gloomy lyrics based on addictive guitar riffs and makes excellent use of Katakana in his titles. He puts immense effort into his guitar parts; for example, the synthesizer-like guitar riff in the intro of "Darling Dance" was created by recording every single note himself and stitching them together in a program. The number of these clipped notes exceeds 2,000, and he recorded until he got the perfect mute picking sound for every single one, making the total number of takes dizzying to imagine. Because his song structures are often consistent—starting with a unique guitar intro, using repetitive highlight lyrics, and a climax where the accompaniment cuts out for a vocal solo—he sometimes faces criticism for self-replication, but most of his new releases remain explosively popular.