Hiromi Tōgō is the class representative at Yukito's school. She embodies innocence and serves as Yukito's love interest. Hiromi possesses one of the Seven Holy Dildos that Yukito must acquire to restore space and time. Her Holy Dildo exhibits a unique property: during intimate encounters, it transforms into a fish-like entity with an open mouth. Witnessing this transformation once caused Hiromi to express fear, stating, "I...I'm scared..." She is described as having a "sweet and spicy" demeanor among the female characters Yukito encounters.