Sakamoto, a high school student who also serves as the president of the trading company Senbansha, leads her subordinate Itou on a unique business venture. Their work involves traveling back and forth between their normal reality and a fantasy world, where they engage in commerce to track down Sakamoto's missing father. The pair make wholesale deals to acquire deities, all while searching across the otherworld for clues about her father disappearance. The narrative combines action and fantasy elements as the two characters leverage their mercantile skills in an isekai setting.