Thing's I read or will read

Two high school students are using bugs in our reality to exploit them for their advantage. But then a ridiculous exploit leads to severe consequences for one of them...

Prince Akihito from small noble clan, Sumeragi clan with his friends attempt to take entry exam of Zakushuin University, the most elite or noble university at Empire of Nippon (Japan) for classical music course. Because his passion in classical music

I've transmigrated into a game I used to enjoy playing, "The Demon King's Consort," as the villainess who dies after harassing the female lead!Worse still I have a terminal condition! As a human mana stone, the more I use magic, the more it drains my