We are the strongest four-person group in the world. Comic adaptation confirmed! A girls' adventure fantasy led by a small hero! Includes a newly written short story, character setting collection, and comic adaptation announcement manga! 【Synopsis】 One day, a mysterious voice echoed around the world, saying, "Earth has leveled up!" Levels, stats, and dungeons appeared in the modern world. Among them, Hitsujiyameiko gets caught up in one and finds herself in a big pinch! …Or rather, with her innate guts and a touch of middle school syndrome, she becomes the world's first survivor!? Even after entering high school, she falls into the Infinite Torii Dungeon with her childhood friends Shiren, the noble girl Sasara, and the foreign-raised Lulu, but she showcases her true JK abilities! They have a fun sleepover at the inn, and as they take on jobs like Mage, Staff User, Knight, and NINJA, they unexpectedly enjoy taking commemorative photos and holding fashion shows with their smartphones. However, lurking in the shadows are monsters―― "We are the strongest four-person group in the world." The girls' adventure fantasy begins as they challenge it with the power of friendship!