The developer behind the game, (からあげカンパニー), remains a relatively low-key entity in the larger gaming ecosystem, primarily operating within the DLsite marketplace. Attempts to find a broader web presence for the developer reveal that the name is associated with various other niche projects, but this specific title stands out due to its specific thematic combination (Sister + Service).
Information regarding specific plot points or availability can typically be found on databases dedicated to cataloging manga and anime titles. Anata no Machi no Gohoushi ---ri Kyonyuu Sister -...
She embodies the mature, nurturing older sister figure. The developer behind the game