Satsuki is one of the four representatives of the Hyuga elite who evaluate the protagonist during Hiashi’s tests. Her questions are considerably less formal than the others’, but she also takes part in the final evaluation and reveals that Kiri was used as a hidden test of the protagonist’s loyalty to Hinata.
Later, Hiashi chooses Satsuki to coordinate the protagonist and Hinata’s wedding. She explains the Hyuga wedding traditions and schedule and helps organize the ceremony.