Still not fully grown and not yet called "Cu Chulainn," the boy had yet to endure hardship or live a life full of twists and turns. When an accident left him gravely wounded, someone rescued him. In a daze, he reached out to his savior.
...Warm brown skin and snow-white hair. Is she an elf?
She must be.
The boy fell in love after only one blurry glimpse, and silently vowed to make her his wife.
Then he transmigrated, with a Pursuit System in tow.
Primitive man, completely baffled, covered in mud, puppy-like, Sétanta: "What's a System?"
The System, heartbroken to see its Host was a little underage brat: "...Kid, how about we wait until you're an adult first?"
Author's notes: 1. The love interest is Heroic Spirit Emiya. He is not gender-swapped; Sétanta just mistook him for a woman while gravely injured. He won't appear in the main story.
2. A little background: Historically, the primitive little brat wouldn't have died halfway through his trial. But an accident nearly killed him, so the collective consciousness of humanity sent a worker to fish him out. They hit it off, then transmigrated.
3. Readers who care about historical accuracy, beware. There are lots of original interpretations. This is the kind of story where I write whatever I want, so just enjoy it for fun.
4. Sétanta is a primitive man, so his views on marriage are pretty messed up, and he says a lot of outrageous things. He isn't suited to modern values.
5. The protagonist is from FGO. His name is Sétanta, and when he grows up, he'll be called Cu Chulainn. Come take a look at the dog; he's adorable.
Theme: Growth cannot be undone. You will lose a lot, but gain a lot too.
