|Date of creation:||1995|
|Genres:||J-pop, Electropop, Techno|
|Labels:|| King Records: 1995-1998|
Warner Music Japan: 1998-2001
Geneon Entertainment: 2001-present
TWO-MIX (temporarily known as II MIX⊿DELTA) is a Japanese pop music group formed in 1995 by Minami Takayama (vocals and composer) and Shiina Nagano (synthesizer and lyricist). Their style is fast electronic pop.
- Minami Takayama (高山みなみ Takayama Minami) (Vocalist, Composer)
- Shiina Nagano (永野椎菜 Nagano Shiina) (Synthesizer, Lyrics)
 Other members
- Miru Takayama (高山美瑠 Takayama Miru) (Miru Takayama and M★TWO -MinaMiru-) (Vocals)
- Joe Rinoie (ジョー・リノイエ Jō Rinoie) (II MIX ⊿ DELTA) (Vocals, Music composition)
 Song themes in Detective Conan
 Opening themes
- TRUTH ~A Great Detective of Love~ - Opening 5 (Episodes 124~142)
They met in the early 1990s. Minami, already well-established as a voice actress, was in the indie band Re-X and met Shiina through a friend. Minami released a solo album in 1992, Endless Communication which Shiina contributed to. They formed a group together Es Connexion and released an album. In 1995 they formed Two-Mix.
They have been featured in anime such as Gundam Wing and Detective Conan (in which the title character, Conan Edogawa, is voiced by Minami. They also made a guest appearance in one of the episode in which they were kidnapped and saved by Conan and his friends).
In 1999, Two-Mix produced Miru Takayama(a cousin of Minami) and in 2000 Miru and Minami formed M*TWO-MinaMiru-.
In 2005, Minami and Shiina were joined by Joe Rinoie as an additional singer and composer, changing the group's name to II MIX⊿DELTA for a limited time.
In 2013, Two-Mix released a digital download single "T-R-Y: Next / Across The End: Platinum Stream" and Shiina composed the music for a song "Rhythm Linkage" with Yoko Hikasa in her album "Hikasa Yoko Collaboration Album Glamorous Songs".
 Two-Mix albums
 Studio albums
 Mini albums
 II MIX⊿DELTA albums
 Two-Mix singles
 Digital singles
 || MIX⊿DELTA singles
 Miru Takayama with Two-Mix singles