Saikyou Degarashi Ouji no Anyaku Teii Arasoi: Munou wo Enjiru SS Rank Ouji wa Koui Keishousen wo Kage kara Shihai suru  

The Insipid Princes Furtive Grab for The Throne, 最強出涸らし皇子の暗躍帝位争い 無能を演じるSSランク皇子は皇位継承戦を影から支配する, The Insipid Prince's Furtive Grab for The Throne

The empire of Adrasia on Vogel continent has been embroiled in a power struggle for its throne. With no clear successor, the children of the emperor are vying to expand their influence. However, there is one prince who everyone agrees will never become the emperor: Arnold Lakes Adler, the seventh prince. Despite being inferior to his younger twin brother in every way and known as a dull and lethargic individual, Arnold was secretly an SS-Class adventurer known as "Silver." As the battle for the throne intensifies, Arnold decides that he does not want to die and believes that his little brother should become the emperor. This is the story of the absurd maneuvers that Arnold employs behind the scenes in order to achieve this goal.