Unlimited tone is a Japanese music group formed in August 2007. The project is centered on 土居康宏 and Ryohei, giving the act a compact duo identity that is easy to recognize in artist directories and anime music searches. Its official website is http://unlimitedtone.jp/.
For cataloging and discovery, Unlimited tone is best described through those stable facts: a Japan-based group, formed in 2007-08, with a two-member lineup built around 土居康宏 and Ryohei. That makes the act straightforward to place in music databases, especially when listeners are looking for Japanese artists and clear lineup-based credits. The group’s concise public profile and memorable name help it stand out without relying on speculation or filler.
