Height: 150 cm (4'11")
Talent: Early to bed, early to rise

A girl who has the same first and last name as Sakuta's first crush. She is a shy middle school girl, but reliable and kind.

She bumps into Sakuta, while holding an umbrella over an abandoned cat in the rain.

It is later revealed that the older Shouko that Sakuta encounters is from the future, and is able to return to the past due to her puberty syndrome.