The new scenario will center around Tatsuya Muou, the protagonist from Innocent Sin. Originally, Tatsuya doesn't appear much in Eternal Punishment. The new storyline is being written by Tadashi Satomi, the duology's original writer. You can view the screens below.
Persona 2: Eternal Punishment is dated for May 17th in Japan. Atlus USA has yet to announce a localization - or start on a long, drawn-out tease.