Itsuki Shidou is the main protagonist of the light novel series Date A Live, created by Koushi Tachibana. He is a high school student who possesses the unique ability to seal the powers of Spirits, supernatural beings that often cause destruction. Itsuki is known for his determination and strong sense of justice, as he strives to protect both humans and Spirits. Throughout the series, Itsuki encounters various Spirits, including Tohka Yatogami and Miku Nakano, forming bonds with them. He often finds himself in challenging situations where he must negotiate and understand the Spirits' motivations to prevent catastrophic events. Itsuki's character development is central to the story's themes of empathy and coexistence.