Music Witch, I Will Cleanse the Dissonance

[Previous life] He was a top music game master, but he missed the championship just because of an illness. [This life] She was reincarnated into the world of swords and magic and became a noble daughter. After she awakened the musical instrument - String Aggregation While the stupid mage was still hiding his magic, I had already pulled the strings and taught him how to behave. Just a madman who is good at charging. But he shouted that the Holy Sword is mighty, sorry. There's a chance I'll disappoint you. After all, your voice can teach you how to behave. "When those church people were still using holy light to treat me, I told them directly: 'The battlefield has been cleaned up, you don't need to come.'" Or "... The battlefield has been cleared. - By the way, I'm sorry." What the world sees as an auxiliary instrument is a world-destroying weapon in her hands! [Ai Li]: I am a reborn person, I know the plot, I can avoid all traps, I am the child of destiny! Elanya: Oh? Are you a reborn person? Sorry, I'm a variable.