According to historical records, Okinawa's location made it an ideal hub for human trafficking. The island's proximity to Southeast Asia and China made it a key stopover for traders and travelers, who often brought enslaved people with them. Additionally, Okinawa's poverty and isolation made it an attractive destination for those seeking to exploit vulnerable individuals.

In the late 19th century, Okinawa, a tropical paradise, is transformed into a hub for the exploitation of its native people. The once-independent Ryukyu Kingdom is annexed by Japan, and its inhabitants are subjected to forced labor, enslavement, and cultural erasure.

is a prominent yaoi (males-only adult) manga and game franchise known for its extreme "bara" (muscular male) aesthetic and dark, transgressive themes. Created by artist Go Fujimoto (also associated with the group BIG GYM ) and writer Torikikuya , the series explores a grim narrative centered on imprisonment and sexual slavery on a remote Okinawan island. Core Premise and Plot