Nkasei is a company of 2, which consists of Shy known in real life as Kwame Godlove Yeboah Prah and Naa-K (Isaac Mensah). They met at a rap festival at Nima in 1995 and realizing the potentials in each other, they got together as a group. In 2000, after getting a producer they signed on the Abib Records for their first album.

Shy was born on 9th September 1977 to Mr Kwaku Yeboah and Mrs. Rita Nyarko. He had his primary education at Queens Preparatory and then Wilberforce school.