Ten SSS Talents, at the Start

In the Year 2063, Strange structures began falling to Earth. These structures were called Dungeons, a month after appearing these structures unlocked releasing what humanity now calls monsters.

The monsters killed millions of people but as if a blessing from God, people between the age of 17 and 20 started awakening abilities. These special people were called Shikari. With the help of Shikari's humanity drove back the monsters back to their dungeons.
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The story begins 20 years after the monster attack that killed millions.