Saki is the main character and narrator of the story. Saki is a new student at the magic school, “Saint Academy”. Once she joins Saint Academy, she hangs out with Satoru, Maria, and Shun, her friends from Wakien Elementary School, as well as Mamoru, her new classmate. While she's not shy, she is sensitive and delicate.

Spoiler

She had a crush on Shun while being 14, but ended up dating Maria, whom she always thought as her soulmate.

Spoiler

While being held prisoners along with Satoru, Satoru attempted to initiate intercourse with Saki, but was denied.

Spoiler

At the end, Saki ends up marrying and having kids with Satoru.

(Source: Crunchyroll)