Yagi Masayasu (八木将康) is a Japanese actor and singer managed by LDH JAPAN and signed to LDH MUSIC. He is a member of the acting team Gekidan EXILE and a solo artist under the stage name CRAZY Shikakkei.


Yagi was born on August 28, 1987 in Tomakomai city in Hokkaido, Japan. He's the youngest brother of EXILE/EXILE THE SECOND member SHOKICHI.

Yagi participated of the EXILE Presents VOCAL BATTLE AUDITION 2 in 2010 and ended as a finalist, being defeated by the Sandaime J SOUL BROTHERS vocalists Imaichi Ryuji and Tosaka Hiroomi.[1]

In 2012, he joined Gekidan EXILE and made debut as an actor in August of the same year on the theatrical stage Attack No.1.

On October 19, 2018, Yagi made his debut as a singer with the digital single "WANAWANA" under the stage name CRAZY Shikakkei.

On August 29, Yagi announced he has married a 24-years old non-celebrity woman and that they are expecting their first child, expected to be born in January 2020.[2][3]





Digital Dramas

  • [2017] Love or Not
  • [2017] Kazoku ni Naretara
  • [2018] Love or Not 2

Music Videos


Note: All releases are under the stage name CRAZY Shikakkei.

Digital Singles

  1. [2018.10.19] WANAWANA


  • Participated on the National High School Baseball Invitational Tournament before auditioning to LDH.[1]


  1. 1.0 1.1 知ってた? EXILE TRIBEに兄弟で在籍するメンバーとは?
  2. 劇団EXILE 八木将康よりいつも応援してくださる皆さまへ
  3. 劇団EXILE八木将康が入籍、来年1月には父に「最高で楽しい、笑顔の絶えない家庭を」

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