Absolute Sword Sense Light Novel

Description:

After being given up on by his family because his dantian was destroyed,
Soh Woonhwi was kidnapped by the Blood Cult and lived as a third-rate spy. One day, he died while being used to find a legendary sword immortal’s secret records.
However, he returned to the day he was kidnapped ten years ago and obtained a mysterious ability that allowed him to hear the voice of swords.

Perfect Sword Sense Novel,
절대검감