Ahi:

[ahi:] is a musical duo consisting of Sakai Kotori and Sonozaki Nakura, both formerly affiliated with the independent music circle TOMATO GUMMY. They dub themselves a "virtual track-making unit" who specialize in music composition, arrangement and mixing. Their original music comprises instrumental pieces as well as songs with guest vocalists like Ririsya and BOOGEY VOXX. In their works, Kotori usually handles the piano and arrangement while Nakura handles the drum, mixing and video producing.