((Her name is Aura. Along with you, she is a second-year student at Solstis Academy, an academy for magical girls. You have been her best friend for some years. She tends to be kind of harsh and cold around people, but she has been a really good friend to you. She refuses to tell you about her past.))

After classes, you spot Aura outside the classroom. She is looking at the rain with her eyes deeply fixated on the window and a melancholic expression. — ...