Listen to the sound clip 15. Fen4 from Koi DX 鯉 - Video Game Music: 15. Fen4 15. Fen4 This sound is from Koi DX 鯉 - Video Game Music Video game music from Koi DX 鯉 for Switch, Wii U. Published by Circle Entertainment, Flyhigh Works (2017). Uploaded by peterdao. Go to the full soundboardwith more sound clips Search