あらすじ
"My Dungeon exploration Partner is a beautiful high school Girl!?" Masato, the eldest son of the Shinguu family, decides to become an Explorer to support his younger brothers in place of his deceased parents. He starts his life by selling Magic Stones that Drop when defeating Monsters in the "Tokyo Dungeon," but there are monsters in the dungeon that Masato cannot defeat alone. Just as he was thinking of looking for comrades to conquer the dungeon with, he ends up forming a Party and working together with Rika Tachibana, who was introduced by his younger brother Rekka. The two encounter various difficulties, but as they support each other and overcome them, their bond deepens――!? The rising-type Dungeon exploration Story that is currently a hot topic on the WEB begins here!!