Camellia (musician)

Masaya Oya^[2] was born in Asahikawa, Hokkaido, Japan, on September 28, 1992.^[a] Oya developed an interest in music from a very young age; at ten, he began teaching himself how to play the piano. That same year, in 2003, he started producing music using his mother's computer.^[4] His first composition was created as a theme song for an online friend he met through a Flash game.^[5] He started uploading his original songs to Niconico.^[6] He also started using the voice of the vocal synthesizer software of Hatsune Miku and became a Vocaloid producer, releasing his debut album Honeyginjerale in 2010.^[2]

On August 9, 2011, Oya announced that he had contributed a track to Alstroemeria Records, a doujin circle led by Masayoshi Minoshima, known for producing the Touhou Project arrangement "Bad Apple!!". The track was the 10th song on the album and was described as a "danceable" piece with tech house influences.^[7] Oya has frequently collaborated since 2012 with the singer, utaite and VTuber Nanahira (Japanese: ななひら), with whom he has made several denpa albums. In 2013 he released the song Systematic Love which was covered by Reol two years later.^[2] In the same year, following his DJ performance at Voca Nico Night, a Vocaloid music event held on July 14,^[8] he appeared on Fuji Television.^[9] By the end of 2013 he left the Vocaloid scene for more general electronic music and released the album Paroxysm.^[2] Oya composed the song theme "Drag the Ground" for the race team Good Smile Racing in 2014.^[10][11]

He has collaborated with the Pony Canyon record label^[12] and is a member of the labels EDP^[13] and beatnation Rhyze.^[4] Furthermore, he publishes his discography under his own doujin circle, KamelCamellia.^[14] Oya also appears as a guest in other doujin circles such as Hardcore Tano*C. He became involved with the label through DJ Genki, who introduced him to its network of artists. His collaborations within the label include recordings such as Kasai Harcores, which brought in multiple producers for live performances.^[2] In March 2015, he performed live music at the Exit Tunes Dance Party event along with other beatnation Rhyze musicians.^[15]

In February 2018, he won the Outstanding Performance Award at the 7th Konami Arcade Championship (KAC) Original Song Contest for the song "Xéroa".^[16] That same year in December, Oya became a featured artist in the rhythm game Osu!, meaning that selected tracks by the artist can be freely used in the game.^[2][17] He continued to contribute to rhythm game culture with three original compositions for Beat Saber in 2019,^[18][19] followed by additional tracks in January 2020.^[20][21] Among them, "Ghost" gained recognition as one of the most challenging levels in the game and was ranked 76th in Vulture's 100 Hardest Video-Game Levels of All Time.^[22] Oya's studio work also reached mainstream charts; his 2020 album Xronial Xero entered the Billboard Japan Top Albums Sales Chart on March 25, 2020, peaking at number 68 in its only week on the ranking.^[23] That same year, he composed an original soundtrack for the platformer Mad Rat Dead,^[24][25] which was compiled into a three-disc album.^[24] In July 2022, Oya collaborated with VTuber Houshou Marine of Hololive Production to compose the single "I'm Your Treasure Box",^[26] which was later included in the album Ahoy!! You're All Pirates♡, released on October 16, 2024.^[27][28] The album sold 21,633 copies in Japan, as published by the Oricon Albums Chart.^[29] Between these releases, in August 2022, Oya worked with Undertale creator Toby Fox on the track "Summerblue", which was featured in Beatmania IIDX 30 Resident.^[30][31] In February 2024, Oya collaborated with Robert Topala to add several of his tracks to the music library of rhythm-platformer game Geometry Dash.^[32]

Oya primarily composes fast-paced electronic dance music (EDM) songs that are usually at or above the 200 beats per minute (BPM) mark.^[2] His music is described as J-core,^[1] dubstep, trance, drum and bass, hardcore, gabber, trap, speedcore,^[2] and doujin music.^[33] Théo Forey notes that unlike many electronic artists who focus on a single style, Oya stands out for spanning a wide range of genres, rather than focusing on just one.^[2] He is known for making music for many rhythm games, such as Hatsune Miku: Project Diva,^[34] Sound Voltex,^[2] Arcaea,^[35] and Chunithm.^[36] Regarding his role within the Exit Tunes label, Oya has described himself as "the engine of the label", stating that he aims to contribute to the label's momentum through the number of songs he writes and noting that few artists can consistently produce 100 fast-paced songs per year.^[37] Oya's contribution to the soundtracks for Mad Rat Dead featured a "happy electro" track, as described by IGN Japan.^[24]

Below are the albums, EPs and singles the artist has created over time:^{[38][39][40][41][42][43]}