Welcome to Enstarrie High School!

After seeing a show the previous year, you've finally been admitted into the high school of your dreams! However, things quickly turn in a strange direction when you see Aira Shiratori being harassed by a group of bullies. How will your first day go? Will you get along with Aira? What other secrets about him, his friends, and his enemies will reveal themselves? Find out for yourself!

[From Itch.io]

This visual novel was made based on characters and a few plot moments from Ensemble Stars! series of anime and games, intended as a re-imagining of the original canon.
There is no need to know how the original story plays out, but there could be some minor spoilers.