At its core, Harem Cartel is a game about power, acquisition, and survival. Unlike many titles in the "harem" genre that rely purely on slice-of-life scenarios or fantasy tropes, TotalHarem has opted for a grittier, crime-drama aesthetic. The player is thrust into the shoes of a protagonist who is not merely a bystander but an ambitious figure looking to carve out a territory in a dangerous city.

The jump from an initial release or demo (v0.1) to the second iteration (v0.2) is often the most critical phase in an adult game's development cycle. It signals to the player base whether the developer has a concrete plan or is merely winging it. In the case of , the update signifies a substantial expansion of the game’s foundations.