Ryota Sato gets the surprise of his life when he's suddenly transported into another world and nearly clobbered at the hands of the young, pretty adventurer Emily Brown. This new world revolves around defeating monsters and profiting on whatever they drop—food, money, items, etc. Unfortunately for Ryota, he has no skills to speak of... until he learns he has the ability to get rare drops! Suddenly his luck turns around... or does it?

The long-awaited comicalization of the popular novel! Ryota Sato is a salaried worker for a toxic company. Suddenly, he's transported into a strange dungeon! Then, it turns out that he's in possession of the mysterious S-rank drop skill. In a world where everything gets dropped from various monsters, it was exactly the strongest unique skill out there. Then, with the angelic Emily as his partner, he spends his days exploring dungeons. I wonder, just what kind of rare items can be dropped?!

Ryota Sato is a salaried worker for a toxic company. Suddenly, he's transported into a strange dungeon! Then, it turns out that he's in possession of the mysterious S-rank drop skill. In a world where everything gets dropped from various monsters, it was exactly the strongest unique skill out there. Then, beautiful girls and women gather around Ryota, and his income also rapidly increases! But, even more incidents are happening in this other world full of benefits...?!

Ryota has established a brand by utilizing his S-rank drop skill. In addition to his increasing recognition, his income is also drastically increasing with new items and a magic cart! Ryota is excited, but the level of trouble is also significantly escalating with things like being solicited by a mysterious handsome guy and being involved in a "magic storm" that makes it impossible to use magic?!

Ryota is making full use of his newly acquired magic bullets and both his income and value is skyrocketing. That power caught some attention and Ryota receives a request to be the trump card for the new dungeon "Selenium" battle. There, he meets the imperfect beauty Celeste?! Can Ryota survive the ever-increasing quests with his unique skill?!

The battle for the new dungeon "Selen" has become more and more intense. And now, rare monsters and adventurers from Hetero stand in Ryota's way! On top of that, even the paranormal being, the "Dungeon Master," has appeared...!! Can Ryota and the others win this battle?!

Ryota and his friends, who have been fighting for Selen, are now back in their hometown of Cyclo. Then, with the addition of the beautiful magician Celeste, they start up the Ryota Family and by using their team play, Ryota takes down a lot of valuable monsters. However, something bizarre happens on the day of preparation for the harvest festival...?! What will the Ryota family do...?!!

Ryota was working on farming drops and improving his skills in the dungeons again when he ran into Princess Margaret and company after not having seen them for a while and got some advice about some things that were on his mind. Just what ideas were inspired from this advice?! Then, he finds an answer for all of his party member's worries, like feeling unwell during a magical storm or having too low of a drop skill. And, they even get a new party member!

With Eve joining their ranks, the Ryota family gains even more momentum. But then, they cross paths once again with a certain toxic party whose cruel leader takes advantage of his allies. This brings up bitter memories for Ryota, who decides to stand up to the abuser…! Later, Ryota finally gets a chance to learn some magic. But standing in his way is… another version of himself?!

The Cyclo harvest festival event reaches a crescendo! Out of nowhere, a difficult enemy called an Increase Goblin breaks free and goes on a rampage right in the middle of the bustling festivities. Ryota faces off against it using his new weapon, the "power-up bullet"! Later, as the Ryota family gains more and more prestige, a mysterious young girl named Alice joins their fold. Though her stats are abysmal, she has a peculiar unique skill… how will Ryota react?!

The drops in all of the dungeons of Cyclo have mysteriously disappeared! Clint the Dungeon Chief tasks Ryota with finding a solution. Having a hunch that the root of the problem lies in Nihonium, Ryota goes with Alice to conduct an investigation. Waiting for them there is the dreaded Dungeon Master of Nihonium…!?

リョータは、シクロダンジョンの長・クリントの要請でインドールの村へとやってきた。 謎のダンジョンを探検した結果、思いもしなかったレアなドロップ品が……!? かくして、リョータの運命が大きく変わろうとしていた!

リョータが入手したレアドロップとは、金塊であった! そして、経済価値の上がったインドールに、ダンジョン協会が設立されることになった。 その会長になったのは、なんとリョータであった! しかし、リョータを狙って、暗殺者が襲撃してくる。 その目的とは何なのか……!?