[I wrote this for a Hatofulkink prompt: “I want to see how Yuuya and Sakuya’s sibling relationship would really work as humans. Why would Yuuya sacrifice himself for Sakuya? Wouldn’t Sakuya have any respect for his half-brother?”
And then the Hatoful guidebook arrived, so this was probably the last gasp for this part of my headcanon wrt how young they were when separated. At least if the numerals in Yuuya’s profile mean what I think they mean. But anyway. BBL spoilers.]
— “Goodbyes” —
Sakuya’s first memory is of Yuuya.
He remembers standing at his father’s side, watching Yuuya leave the château on the Loire. The noble house of Le Bel no longer had any obligation to raise Maman’s base-born morganatic bastard, Monsieur Le Bel had said, and Sakuya had proudly repeated this as if he understood what it meant.