The protagonist of the Date a Live story. He possesses a strange power that allows him to seal the powers of a Spirit in his body with a kiss.
He has 2 younger sisters: Kotori Itsuka (adoptive sister) and Mana Takamiya (biological sister).
Shido has the looks of a handsome young man in high school. He has straight blue hair and bands down to his neck and amber brown eyes. During the times where he borrows another Spirit's power, the color of his eyes turns into a more golden shade with dilated whitened pupils. He is often seen wearing the male Raizen High school uniform during his everyday life circumstances.
During the events of Miku Lily, Shido had to crossdress as a girl to interact with Miku, thereby disguising himself as his alternate identity, Shiori Itsuka. During the time, he was seen with long blue hair, and he wore the standard female Raizen High School uniform. He also wore a flower hair clip as a hair accessory. He is later able to become physically female via Haniel.
It was later revealed that originally Shido was Shinji Takamiya.