is a Japanese singer. In addition to his solo work, he is a vocalist, lyricist and composer in the music duo After the Rain formed with fellow utaite singer Soraru. Mafumafu is also popularly known as . His broad vocal range, spanning well over five octaves, allows him to sing in a high register comparable to some Vocaloid songs; with some covers, he has also adopted the name for his "female persona", who has an even higher voice. His image color is white. His 2D image has a signature appearance of white hair and a barcode on his left cheek. His youtube channel has over 3 million subscribers. His videos have over 2.0 billion combined views. Mafumafu plays guitar and piano. He covers Vocaloid songs from other creators as well as performing his own original songs. He also produces music for games, anime, and other artists. On 5 June 2022, Mafumafu announced on Twitter that after his solo live concerts on 11 and 12 June in the Tokyo Dome, he would go on an indefinite hiatus from all personal musical activities as Mafumafu for the first time in 11 years, citing his medical condition. He will remain active as a musician to produce music for other artists, as well as continue to participate in group collaborations. Early life Mafumafu had piano lessons when he was younger. When he was in elementary school, he tried to make ring tones with an app on a mobile phone his father gave him. He later decided that music was his vocation when he was in high school. In university, he formed a rock band with his friends, the guitarist in the band introduced him to the culture of vocaloid songs and Utaites on the internet. This inspired him to upload his songs on the internet. Music career He began publishing song cover videos on Niconico in late 2010. In interviews, he has said that he enjoys listening to a variety of music including electronic, and that he was drawn to music because his childhood was painful and he felt he could convey in music the emotions he had difficulty expressing otherwise. He also believes he grows when he is able to overcome the things he did not know or was unable to do before. Since his life in the music industry began, he has stored vocabulary and experiences within himself, which he pulls on