Saya Hokage

Saya Hokage is the main character of Side-By-Side Dreamers.

Overview
Saya has insomnia until she meets Hitsuji, who has the ability to put people to sleep as a "lover" in the dream world. Ran Aizome sees potential in Saya and allows her to join the Sleepwalkers.

Saya discovers that she survived so long as an insomniac us due to her ability as a Neversleeper.