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Contract to the Future is a ported version of a PC release known as Shirogane no Soleil: Successor of Wyrd with several major differences which include ever-so toned down sexual content, additional character scenario and voice-acting, and a new battle system.

In the Northern Europe lies a ruin called "The Ship of Time". Inside is imprisoned a dangerous specie called Berserk. But one day, the Berserk solves the riddle of the seal that has kept it imprisoned for so long and breaks free. Aimed to set the world ablaze once again, Berserk is about to confront the girl with the silver wings, a battle maiden Valkyrie. You play a young man, oblivious to the fact that some things from Norse mythology are not just myths, enjoying his school life until one day, you meet the battle maiden Sol Valkyrie and your whole world changes.

The game plays as a visual novel adventure which mixes Norse mythology and modern day reality. Love and battle. A struggle to save the world from complete and utter destruction. Besides the adventure part where you converse with other characters, there is a battle part which uses a card battle system.


Shirogane no Soleil: Mirai e no Keiyaku PlayStation 2 Prologue.
Shirogane no Soleil: Mirai e no Keiyaku PlayStation 2 Waking up from what seemed like a dream.
Shirogane no Soleil: Mirai e no Keiyaku PlayStation 2 Opening movie.
Shirogane no Soleil: Mirai e no Keiyaku PlayStation 2 Something is happening inside the ruins where Berserk broke loose.

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Alternate Titles

  • "白銀のソレイユ《未来への契約》" -- Japanese spelling
  • "Shirogane no Soleil: Contract to the Future" -- Official English title

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MAT (197246) added Shirogane no Soleil: Mirai e no Keiyaku (PlayStation 2) on Mar 06, 2014