h-wonder is a composer and arranger born in Japan. He first debuted in 1995 under his birth name, .
In June 1998, he stopped being a solo artist and changed his name to h-wonder and became a composer. One of his notable collaborations is with Maaya Sakamoto and BoA.
- ON/OFF - Arranger
- ふたつの鼓動と赤い罪 Futatsu no Kodou to Akai Tsumi - Opening for ヴァンパイア騎士 Vampire Knight
- Maaya Sakamoto - Composer and arranger
- BoA - Composer and arranger for some songs
- Notes: This song is the ending theme for the anime series InuYasha.
- - Arranger
- Quincy - Arranger
- KEY OF HEART - Composer and arranger
- Beautiful Flowers - Arranger
- MAX - Arranger
- Kōmi Hirose - Arranger
- The Shining Story
- Folder5 - Composer and arranger for some songs
- FAKE - Composer and arranger
- Magical Eyes-mochi2wondermix - Arranger