Synopsis: Mob Kousei no Ore Demo Boukensha ni Nareba Riajuu ni Naremasuka?

Several decades ago, modern society witnessed the emergence of dungeons and the appearance of monsters, causing a string of related disastrous events. Consequently, adventurers stepped forward and began utilizing monster cards to summon reinforcements to tackle these dungeons, inducing significant changes. Maro, also referred to as Kitagawa Utamaro, was an ordinary high school student enticed into taking up the adventurer mantle upon seeing a former pal achieve social success via the same path. However, Maro's venture into this realm was anything but smooth sailing. Merely assuming the title of an adventurer proved insufficient to gain recognition, prompting him to explore dungeons with the use of unconventional and challenging-to-find monster cards.