Chasuke is a male Japanese voice actor primarily known for his work in adult content, including anime, games, and drama CDs. He is a pseudonym for another established voice actor, Masayuki Katō. His career in the industry spans several decades, with voice roles documented as early as 1997.

Chasuke is frequently cast in adult animated series and games. One of his notable roles is Shūji Majima in the 2020 anime series Adults Dunno How to Love! (Otona nya Koi no Shikata ga Wakaranee!). In this production, he voiced the character for the "premium" or complete version of the show, which features explicit scenes, while a different actor handled the role for the broadcast version. For this role, he also performed the ending theme song, Yoru ni Kekkai, as his character.

Another significant early role is Masaki Ichihara in the 1997 game HEARTWORK -Symphony of Destruction- and its 2003 anime adaptation, Heartwork: Love Guns. His career also includes a wide range of roles in various adult games, such as Victor Bureau in The Nothing Sheep (2011), Teshikaga in Luckydog1+bad egg (2018), and Clive Barth in Verismo Baroque ~Omoi no Utahime~ (2022). Information about the role of Eagle Katou in a series titled Confessions of a Slutty Wife could not be verified in available sources.