Your search for "/ Dimitri Alexandre Blaiddyd x Byleth Eisner" revealed the following:
Fire Emblem Fates BL Doujinshi - Full Moon (Niles x Corrin / Zero x Kamui)
$ 26.95Product details: Niles x Corrin / Zero x KamuiItem Title: Full MoonProduced by: MUSHANOBORI (Nega Hiroshio)Format: Doujinshi Language: Japanese Page...
Fire Emblem Awakening Doujinshi - Binaly Star (Robin x Chrom)
$ 30.95Product details: Robin x ChromItem Title: Binaly StarProduced by: Kinako (Tanaka)Format: Doujinshi Language: Japanese Page Count: 40 Size: A5 (5.87w...