The Story......

The story begins during winter in a town surrounded by trees in a mountain. In a town which does not have many unusual occurances, there is a darkness attacking it little by little.

The Masters Insignia on a person's hand is necessary to carry out and grant requests. To have the Masters Insignia be revealed, a ceremony was to be performed for that purpose. The Masters Insignia has seven magic teachers chosen (known as 「MASTERS」), and are bestowed with a deity of the Seven Horsemen (known as 「SERVANTS」) chosen by the Masters Insignia, then sent out on a mission.

The Seven Deity Horsemen
Knight => 「Saber」
Spear Soldier => 「Lancer」
Bow Solder => 「Archer」
Horseback Soldier => 「Rider」
Sorcerer => 「Caster」
Assassinater => 「Assassin」
Insane Soldier => 「Berserker」

The MASTERS of these classes must make a contract with their chosen deity and prove that they are suitable to wear the Masters Insignia. Ultimately, the person chosen to be a MASTER must represent themselves as the strongest by eliminating other MASTERS. Everything that consists of this event is known as the "War of Masters."

And at this present moment...
The main character has been dragged into unexpected happenings from the battles between the comrades of the MASTERS, and to become, by an unlikely turn of events, the one person with the duty to make a contract with one of the seven SERVANTS, Saber. Though having little desire to be a MASTER, the main character must confront the happenings and to submit to himself, fighting and traveling amidst the occurances surrounding the Master's Insignia, but----