Leon is reincarnated in the world of the "otome game" he was playing as the third son of an impoverished baron. While he's trying to find happiness as a "mob" or background character, he's offered a terrible marriage proposal.

Leon's Armor Arroganz is mocked for being old fashioned, and the weapon Luxion has prepared for him is... a shovel! The audience ridicules Leon, but will he be able to defeat his five opponents?!

Olivia finds herself pushed into a corner by Stephanie. Meanwhile, while understanding Olivia should resolve the pirate hunting situation, he chooses to prioritize efficiency and gets involved.

Leon weaves his way through the horde of monsters alone in order to rescue Angelica. Meanwhile, Chris and Olivia battle fiercely alongside the other students on the passenger ship, but they're surrounded by the duchy's fleet...!