Let’s break down the components:

Building "bonds" or "affinity" is a primary goal. Dialogue choices and character-specific events allow the player to navigate the complexities of the various relationships.

The title "Ura Doori no Nukemichi" translates to "The Back Alley Shortcut." This imagery is vital to the entertainment value of the series:

As of 2026, we are seeing light novel publishers like Kadokawa and Shueisha test one-shots with "back alley older sister harem" premises. A notable upcoming visual novel, Nukemichi Connect , features a map system where you physically draw shortcuts between ane characters’ homes.

It is a Japanese "Erge" (Adult Game), often localized by niche publishers.