A.N.: Written for the kink meme:

Gen or Noct/Any, NO ONE IS STRAIGHT
Noct realizes he's not straight, and has a hard time coming out. He finally decides to tell a friend... Who turns out to also be LGBTQIA.
So is everyone else he tells.
Give me Noct coming out to everyone (his dad? Bros? Ravus? Luna?) and they are ALL not straight (or cis.) All of them. And Noct was just too clueless to realize it.

Disclaimer: Don't own Final Fantasy XV

Prologue – Noctis

When Noctis was five, he was chosen by the Crystal. One minute, he was playing with his toys under the watchful eye of his governess; the next, he was complaining of a headache.

The ache spread through his body, and his knee throbbed. His governess called for the King and went to carry Noctis to the infirmary, but Noctis stopped her.

"Take me to the Crystal."

His voice was monotone, his eyes glazed.

The governess could not disobey a direct order from her prince.

King Regis was waiting for them in the throne room when the governess brought Noctis in. Regis paled at the sight of his son in the governess' arms, reaching one hand out towards the Crystal.

"W-what should I do, Your Majesty?"

King Regis stiffened his jaw. "Take him to the Crystal."

The governess obeyed. Noctis continued to reach for the Crystal, until he was close enough to touch it. The Crystal's light brightened, and Noctis shook, and when the light dimmed, he fell unconscious.

Noctis slept for a full twenty-four hours, and when she woke, King Regis was in a chair at her bedside.

"Dad?" Noctis rubbed her eye and sat up in bed. Regis shifted Noctis' pillow so she could sit back against it.

"It's alright, Noctis. I'm here."

"Dad… what happened?"

Regis sat back in his chair, and gave a sigh. "What do you remember?"

Noctis paused. "I asked Nyssa to take me to the Crystal. I touched it." She paused. "What does that mean?"

Regis let out a breath through his nostrils. "It means… You are the Chosen King."

Noctis gulped. "The Chosen… King?"

Regis put a hand on Noctis' shoulder. "Get some rest. We can talk about this later." He shifted the pillow back again and pushed Noctis down.

"Okay…" Noctis mumbled.

A.N.2.: I would like to say for the record that being chosen by the Crystal is not what makes Noctis genderfluid, but merely is a catalyst for them realising that they are.