Pier Solar has a complicated back story. Not the in game itself, like the actual development and release of the game itself. It also may be the last Sega Genesis game released. You can find more info here.
The game itself is a fun old school RPG, but at times offers very little to go on in terms of where to go. People used to this style of game will be fine, but many will just be pissed off and should look up a walkthrough. The battle system is a classic turn based system, and doesn’t offer anything new to an experienced gamer but it is still fun and engaging.
The story while pretty standard is interesting and has enough twist and turns to remain interesting and keep you playing. The game has its faults but for its price any old school fan should check it out, best wishes and may the gaming gods bring you glory.