Complex sentence: E-Young made her debut with the group on their first Japanese release, the collaboration song "Make It Happen" included on Namie Amuro's album "Checkmate!", however her first actively promoted release was After School's first album "Virgin".
Split into simpler sentences: E-Young made her debut with the group on their first Japanese release, the collaboration song "Make It Happen" included on Namie Amuro's album "Checkmate!". Her first actively promoted release was After School's first album "Virgin".