In 2009, under the name "Rerulili", he began his career as a creator, mainly on Nico Nico Douga.

In 2012, he released the song "Brain Fluid Explosion Girl", which received a huge response, reaching 7 million views on Nico Nico Douga and 30 million views on YouTube. The total number of video views has exceeded 100 million.

In 2013, he released the compilation album "Jigokugata Ningen Doubutsuen (Human Zoo of Hell)", demonstrating his ability not only as a lyricist and composer, but also as a producer.
In July 2015, the first live-action adaptation of a Vocaloid song, the film "Brain Fluid Explosion Girl", was released nationwide.
In addition, in the summer of 2016, he successfully held his first overseas performances in Shanghai and Taiwan under the title "Rerulili Grand Circus".

In 2017, he adapted "Chuubyou Gekihatsu Boy" for the stage and released the album "Seishun Syndrome" in 2018.In October 2019, the TV anime "Chuubyou Gekihatsu Boy" was aired on TOKYO MX and other stations!

While featuring beautiful melodies with a background in Japanese pop music, he creates a wide range of songs that incorporate the essence of rock/jazz/funk/blues/black music.