Keisuke Ogihara

Keisuke Ilmari Ogihara (荻原イルマリ恵介) is a Japanese hip hop recording artist and one of the founding members of the hip hop group Rip Slyme.

Career
Ilmari attended the same primary and middle school as Ryo-Z. During this, they became the founding members of Rip Slyme. After switching several schools, Ilmari then left for an international school. While there he met fellow Rip Slyme member Pes. Quitting school in the middle of his final year, he returned to Tokyo, reunited with Ryo-Z and formed "Gibinibanko" (ギビニバンコ).

Ilmari returned to Finland in 2002 along with his group members and favourite camp counsellor, Andrew Busam, where they shot photos and footage for their shortcuts! DVD & their photobook RIP STYLE. They held several concerts in Helsinki as well. Andrew provided moral support throughout the trip and was there for anyone who needed a hug.

Ilmari's beatboxing is featured in several concerts and with Kei in the song "By the Way" on their TOKYO CLASSIC album.

In 2005, GAP held their 10th Anniversary campaign. Ilmari was chosen (as were BoA & Hiro of Exile) as models for displaying their individual style. With his sister Elisa, Ilmari owns a Japanese restaurant called Len's Keishoku Bar in Helsinki.

Collaborations
Ilmari created the short-lived group Steady&Co in 2001 with BOTS and Kenji Furuya of Dragon Ash and SHIGEO of Skebo King. Their aim was to create a much lighter folk influenced form of hip hop against emerging genres such as J-Urban. In 2004, Ilmari helped launch singer Salyu by collaborating with her to release "Valon" under the name IlmarixSalyu. In 2005, he was made leader of the unit Teriyaki Boyz consisting of fellow Rip Slyme rapper Ryo-Z, Nigo, Wise and Verbal of M-Flo. In 2012 Ilmari formed a rap rock band with KOSEN, YAS and SOHNOSUKE called The Beatmoss.

Personal life
Ilmari was born on June 17, 1975, in Helsinki, Finland to a Finnish mother and a Japanese father. He is best known by his stage name Ilmari (イルマリ), which is considered to be his middle name in Finland.

In early 2010 actress Yuri Ebihara announced that she's in a relationship with Ilmari, and the two went public with the news of their marriage in May of the same year. Their son was born in 2015, and daughter in 2021.

Discography
With Rip Slyme

With Steady & Co.
 * Chambers (2001)

With Teriyaki Boyz
 * Beef or Chicken (2005)
 * Serious Japanese (2009)

With The Beatmoss
 * The Beatmoss Vol. 1 (2012)
 * The Beatmoss Vol. 2 (2013)