Lakonia academy's youngest teacher and mysterious singer

This story is about us the reader who became the youngest teacher in Lakonia academy a place that teaches the students about the Nightfallen and learn which kind of Shard they are in and to train their magic spells and how much combat experience if they have what it takes to be in the academy.

Their job is to protect the people and collect The Lust Shards from the Nightfallen they have defeated.

There are Four Shards in Lakonia academy which of being
The Slayer's Shard
The Sorcery Shard
The Defender's Shard
And The Summoner's Shard

You can apply to any of these Shards if you ask one of the leaders or vice leaders of each of the Shards.

While Lakonia Academy is known for being the safest place in this world but there was one thing that the world doesn't know they have a mysterious singer.

The teachers there said that singer appeared a year ago in the colosseum saying that he has the voice of a man and a woman when they heard him sing.

The mysterious singer sang only 4 songs when he first appeared but every now and then he would appear again to sing in the colosseum every student in the academy loved the mysterious singer of course the teachers and the headmaster was suspicious of the singer but seeing as they didn't do anything in the academy they let him be but who would've thought the mysterious singer is the youngest teacher.