Yukimura Chan

Hotaru Tachibana, a lively headstrong student council president, meets a strange mysterious man on her way home, waiting by her apartment door. On learning that her best friend was conned by a Host, Hotaru goes over to the Host club to deal with the person in question, who in turn challenges her to a Gun game called "The Survival Game".

Within Thailand lies the city of Roanapur, a safe haven for all types of criminals and where corruption thrives to its very roots. Ran by big crime syndicates like the Yakuza or the Russian and Italian mafias, Roanapur is the center for illegal and criminal activities, and is the base of operations for the notorious group called Black Lagoon.