Illyasviel von Einzbern hasn't had a good life. lost her mother, and is led to believe that her father abandoned. Now, after freeing the Holy Grail of Angra Mainyu's influence. She makes her wish. Only it doesn't go the way she planned. For there is no such thing as a free wish. Featuring EMIYA(Assassin) and Irisviel von Einzbern (Caster) from F/GO (REWRITTEN)