Anime Crossover: Contracting the Servant Merlin from the Start

He transmigrates into the basement of the Matou household, activates the Heroic Spirit Summoning System, and summons the Servant Merlin.

Guided by Merlin, he takes one step at a time along the path of kingship.

In the Holy Grail War, despite having no magical energy and not being a mage, he summons powerful Heroic Spirits and sweeps aside every enemy.

As he journeys through one world after another and battles a host of enemies, he summons one powerful Servant after another.

Tiamat, Nero... He defeats mighty enemies and forms contracts with them, making them his Servants.

In Britannia, he takes Artoria's place as its ruler, fighting the Saxons, battling the mysterious, and restoring Britannia's glory.

He has also seen those who were protected threaten to kill their protectors. In his fury, he slaughtered them all.

He has also seen a world teeming with races, each granted the title of a "species," while humanity alone was deemed unworthy.

From a helpless nobody to a king, he then steps onto the foundation laid by kings and climbs to even greater heights.

This novel and its characters are entirely fictional. Any resemblance to real people or events is purely coincidental. Please do not imitate.