The Strongest Useless Prince's Battle for the Throne

Story:

In the Empire of Adelcia, which dominates the center of the Fokailo continent, a dispute between princes for the throne is brewing. Faced with an intensifying struggle, the seventh prince, Ainoth, finally decided to show his true abilities. “I have no intention of becoming an emperor, but if I want to be defeated and die, don’t even think about it.” The Empire considers him an "unnecessary emperor", but his personality is not like that… He will take Mihime No. 1 of the empire and will dominate this throne battle from behind the scenes!