Warau Arsnotoria

Description
Warau Arsnotoria is a role-playing gacha game where player takes on the role of an amnesic teacher who arrives at a school where girls are taught magical arts. While at first the setting of the school seems peaceful, the students must soon use their magical knowledge to defend themselves in a vicious war against attacking enemies called "Knights".
The game consists of visual novel-esque segments which advance the story, a battle part where the player commands their characters and fights enemies, and a training part where the player can use experience points and items gained to upgrade their characters. New characters can be unlocked by progressing through the game as well as via a gacha system where the player can use in-game or real-world currency to obtain a random selection of new characters. The game also features a multiplayer cooperative battle mode where up to 4 players can fight against enemies at the same time.