Kou Mukami (Ryouhei Kimura) & Azusa Mukami (Daisuke Kishio) is a Japanese cast-based artist credit built around the characters Kou Mukami and Azusa Mukami and their voice actors, Ryouhei Kimura and Daisuke Kishio. The project is associated with anime character songs and voice-cast performances, making it a familiar credit for listeners who follow character-driven music releases in Japanese anime media.
As an artist listing, Kou Mukami (Ryouhei Kimura) & Azusa Mukami (Daisuke Kishio) connects the character names with the performers behind them, which is why the credit appears in anime music databases and character-song searches. Its identity is centered on the Mukami name and on the relationship between the roles and the seiyuu who voice them.