Isekai'd into another world, Haruka makes use of seemingly underpowered skills to live as a lone wolf.
Normally, people choose to become adventurers in their teens. At 30 years old, Rick Gladiator bucks the trend by leaving his job as a guild clerk to become an adventurer. He begins as a novice F-rank with the fighting strength of an S-rank. After two years of brutal training with the continent’s strongest party, Orichalcum Fist, Rick will defeat anyone who underestimates him!
The story is set in a world where the value of Bikkuri-Man stickers are so high that they have to be transported in a cash transport vehicle. There was also the famous robbery case one year ago, called the "300 million Bikkuri-Man sticker case." One day, a high-school delivery part-timer named Yamato gets involved in a battle over stickers between two competing convenience stores. The Angel Mart owned by the Phoenix store manager is famous for its easy-to-use glitter stickers. The Devil Store across the street also tries to attract Bikkuri-Man fans to their store. Former comrades are divided into allies and foes, and the battle of destiny begins.