Adult PC Game: Shining Amulet (jap) by Bismuth Archive

Town that was developed by magic technology "Lumiere".
Recently in the city, witch of mystery to protect the peace of the city, "Charlotte"
It was buzzing with rumors.
To help the weak, frustrate bullish, such she town hero.
Sharyi the honor student girl to attend magic school.
Endear oneself to be around, she had one of the secret.
So, her what the mystery of the witch "Charlotte" was that person.