[FateZero] Mermaid

A game aimed at the Happy Ending of the Fourth Holy Grail War.After clearing the game, the conditions for the player to return to the real world are [-]. Happy Ending of all characters (all characters are all participants in the Fourth Holy Grail War in Fuyuki City) [-]. Raiders designated by the GM (the character name is unknown, players need to discover it by themselves) [-]. Never Characters that cannot be attacked in the strategy (if the strategy is at your own risk, the name of the character is unknown, players need to discover it by themselves) Fourth, all characters have full favorability Mine Kirei