Mature

Shuumatsu no Valkyrie

Star-Embracing Swordmaster

Strongest Abandoned Son

Surviving the Apocalypse

The Beast Tamed by the Villainess

The Beginning After the End

The Butcher Blade That Pierces All Realms

The Devil in School

The Kingdom of Ruin

The Last All-Knowing Man Collected Trillions of Stuff from Day One