The title (日焼けあとの娘と夫婦に), often translated as "Becoming a Married Couple with the Sunburned Girl," refers to a popular doujinshi series by the artist Gomabura . Overview & Review Highlights
It looks like the string you provided — "doujindesutvhiyakeatonomusumetofuufuni" — appears to be a of a Japanese phrase, possibly from a title or tag in the doujin (fan-made) community . doujindesutvhiyakeatonomusumetofuufuni
The Doujinshi culture has its roots in the 1960s and 1970s, when fans of anime and manga began creating and exchanging self-published works. These early Doujinshi were often created by enthusiasts who wanted to share their passion for their favorite characters and stories with others. The movement gained momentum in the 1980s, with the rise of the Japanese doujinshi scene, which centered around conventions and gatherings of creators and fans. These early Doujinshi were often created by enthusiasts