keeno is a Vocaloid producer which has gained popularity since he appeared for his heartbreak ballads. His first work, "glow", also his most notable song, has over 1.3 million views till Sept. 2015. Until now he only used Hatsune Miku Dark. Other songs are also very popular with most of them have over 100000 views, such as "crack" or "fix".
keeno's song always has relaxing melody with the smooth tuning of Miku Dark, however, there is always a sadness going along with it, which can also be read through the touching lyrics.