Yoshimasa Hosoya
Hosoya Yoshimasa Profile.png
Kanji 細谷 佳正
Romaji Hosoya Yoshimasa
Also known as Hosoyan (by other voice actors and fans)
Gender Male
Birthday February 10, 1982
Age 39
Professional Status
Occupation Voice Actor, Musician
Affiliation Mausu Promotion
Role(s) Sosuke Yamazaki

Yoshimasa Hosoya (細谷 佳正 Hosoya Yoshimasa) is a Japanese voice actor from Hiroshima, Japan. He is affiliated with Mausu Promotion. He is also a member of the pop duo MaxBoys along with Toshiki Masuda, a fellow Japanese voice actor. He voices Sosuke Yamazaki in the Free! series, beginning with Free!-Eternal Summer-.

In early 2017, Hosoya went on hiatus from voice acting to undergo treatment for his throat, but was able to resume work by August of the same year. However, he has since limited his singing roles, which is likely the reason for Sosuke not appearing in any new character or group songs on the recent character albums.


Clear Blue Notes.jpg
Released on October 8, 2014
# Title Lyrics Song Arrangement
1. Clear Blue Departure (with Haruka, Makoto, Nagisa, Rei, Aiichiro, Momotaro and Rin) Saori Codama Tatsuya Kato Tatsuya Kato
Released on October 15, 2014
# Title Lyrics Song Arrangement
1. Ashita e no Last Race Saori Codama Arata Umehara Arata Umehara
2. Just Wanna Know Saori Codama Arata Umehara Arata Umehara
Released on November 8, 2017
# Title Lyrics Song Arrangement
1. What Wonderful Days!! (with Haruka, Makoto, Rin, Nagisa, Rei, Aiichiro, Momotaro, Seijuro, Gou, Miho and Goro) Saori Codama Keita Miyoshi, Yusuke Itagaki Keita Miyoshi, Yusuke Itagaki


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