(A System story, reborn in another world, not invincible, plot-driven power fantasy with a focus on logic.)
(The protagonist is calm, extremely combative, quick to take revenge, and decisive in killing. He has a younger sister.)
In his previous life, the protagonist was the king of special forces in a mysterious unit. Reborn in another world,
he can only use hand-to-hand combat in a world where everyone relies on magic. But let’s see how many punches you can take!
The protagonist is determined to uncover why his parents disappeared, and works with his younger sister to gradually lift the mysterious veil surrounding the Great Domain.
