Shiori shares her brother's blue hair and can be seen wearing kimonos almost all the time, as per her parents' wishes.
While appearing very sweet and courteous, Shiori masks a more cunning and manipulative side. With no desire to take over the family inn, she pretends to have a brother complex in order to force Iori to take over the inn so she doesn't have to. She is highly skilled with technology, shown through the rabbit nanny cam she gave to Iori to keep an eye on him. However, she does show some traits that she is actually a brocon