Meritocracy of the Ogre & Blade by ONEONE1 - Adult Sex Game

Once, the red devil burned to the ground an entire village and all its inhabitants,
including Aiki Tenjin's parents. Ika was born with a unique ability, so she was able to survive.
Some academy "Phoenix House" noticed her talent and Ayka was accepted as a student.
Later, the main character learns that all students at the academy have different powers, including her.
Hayka decides to take revenge on the red devil for her parents and the village ...