The ellipsis ( ... ) at the end suggests the original title is longer — possibly something like “Otaku ni Rikai Aru Gal Yome ga Osananajimi datta Ken” (The Case Where the Gyaru Wife Who Understands Otaku Was My Childhood Friend) or similar.
And remember: if you find it and love it, do your best to support the creator — so more stories like this can be officially brought to the world. -Doujindesu.TV--Otaku-ni-Rikai-Aru-Gal-Yome-ga-...