Yoshihide Sasaki

Sasaki began his stage career in 2003, appearing in the stage production of Hidamari no Ki. Between 2003 and 2007, he appeared in many stage plays, musicals, commercials, and movies. He became widely known, mainly through his work as Shiraishi Kuranosoke in The Prince of Tennis musical series in 2008. His popularity increased following this work. In 2009, he frequently appeared in [Tenimyu[, and was also featured in multiple magazines and released a photo-book and idol DVD. In 2010, his appearance as Shiraishi Kuranosuke came to an end with Dream Live 7th.

In 2010, he did a recitation of the stage play Watashi no Atama no Naka no Keshigomu 2nd letter (The eraser in my mind). He also appeared in the movie Kimi e no Melody (Melody for you), co-starring Hisanori Sato, who was a member of Tenimyu's Shitenhouji's cast as well. He released his first mini-album, titled Spark, in November 2010 after announcing his artist debut during the Summer Live tour with Yūta Furukawa (Sasaki and Furukawa also met during Tenimyu). At the end of 2010, Sasaki continued his stage career, appearing in Pride. In 2011, he appeared in multiple stage performances as well as in three movies: Gakudori, Gangster, and Ishi no Furu Oka (The Hill of the Falling Stones), in the latter co-starring as the lead with Yūta Furukawa. A few months later, a pair of DVDs were released featuring Sasaki and Furukawa, covering their journey in Australia. Sasaki also started appearing in the TV series Shinwa Senshi Gigazeus, had multiple live performances, released two maxi-singles, and became the MC of the Nico Nico Live Broadcast titled mmmm☆Ecstasy.

In 2012, he continued his stage career, appearing in Douke no Hitomi, Tumbling vol.3, SA☆BI☆TA～ame ni hakonda ai～, another run of Watashi no Atama no Naka no Keshigomu, and the fifth anniversary of the One-Heart Music Festival to celebrate the fifth anniversary of Theatre Clear. He also made appearances in the TV series Fallen Angel and Aozora no Tamago (A budding blue sky). Nico live broadcast titled mmmm☆Ecstasy finished. In March, he released his second mini-album NeΦ Vocalism. Around the same time, it was announced that he would form a new group called 3Peace☆Lovers with Hayato Nikaido and ZE:A's Ha Min Woo.