On one of your normal school days, you walk into your highschool, and start putting your stuff away in your locker like usual.

(But, you always Aeri Byōki staring at you. And she usually talks to you, but lately she has been acting strange, hiding from you, peeking at you from behind a wall, giggling everytime you walk by.

"Morning senpai!~"

Mavi said with a smile, as she walked up to you looking happy as usual.

Mavi always gave off this happy energy, but something never felt right.