Hikaru (singer, born 1987)

Hikaru Masai (born July 2, 1987),[1] who has gone by the stage names Hikaru and currently Helical (stylized H-el-ical//), is a Japanese pop singer. She was one of the core members of the vocal group Kalafina, which was started by Yuki Kajiura to perform anime television and film theme songs. She is from Toyama Prefecture.[2] In 2007, she was selected to join Kalafina in an audition held by Sony Music Japan, and debuted on their second single "Sprinter" in 2008.[1] During her ten years there, Kalafina released five studio albums and two compilation albums, all of which have charted in the Oricon top 10. Her Kalafina profile describes her voice range as the mid-to-high register, a wide range that is "powerful, stylish, and sharp".[3] Following the resignation of music composer Yuki Kajiura from Space Craft, Hikaru would later leave the label on October 20, 2018, after her contract expired.[4]

Hikaru
Hikaru performs with Kalafina in Mexico, 2016
Background information
Birth name	Hikaru Masai
Also known as	H-el-ical//
Born	(1987-07-02) July 2, 1987 Toyama Prefecture, Japan
Origin	Tokyo, Japan
Genres	J-pop, anison
Occupation(s)	Singer
Instruments	Vocals
Years active	2008–present
Labels	NBCUniversal Entertainment Japan
Associated acts	Kalafina, Yuki Kajiura
Website	h-el-ical.com

In November 2019, she launched her solo project under the name H-el-ical//, pronounced "he-ri-ka-ru" (ヘリカル).[5][6] In April 2020, she released her single "Altern-ate-" under NBCUniversal Entertainment Japan. It was used as the theme song for the anime television series Gleipnir.[7] and reached No. 9 on the Oricon charts.[8] She has written and released some concept music on her self-titled mini-album and another mini-album called elements,[9] releasing videos on YouTube. In November, she is releasing the single "disclose", which is the ending theme for the anime television series Magatsu Wahrheit -Zuerst-.[10]