In a society resembling ours with a unique twist, Patarillo! unfolds in Marinera, a land abundant in diamonds and intrigue. The vertically challenged yet powerful boy-king, Patarillo, reigns over a mine coveted by the International Diamond Syndicate. This syndicate, intent on global diamond domination, dispatches bishounen assassins to eliminate Patarillo, prompting the arrival of his bodyguard, the charismatic Major Jack Bancoran from MI6. Despite Bancoran's reputation as a 'Bishounen-Killer,' his true challenge lies in resisting the allure he unknowingly holds over males under 17, including Patarillo. The narrative transitions between the lush landscapes of Marinera, the sleek MI6 headquarters in London, and Bancoran's opulent residence, all while delving into past events, future possibilities, and even outer space adventures. Patarillo's journey traverses vast territories, revealing a tale of power, desire, and unexpected connections.