Even the humble swordsman is the strongest
：After dying due to a god s blunder, Shirakuro Sansui is reborn in another world—only to endure 500 years of sword-swinging training! No cheat skills, no flashy magic, just endless repetition… until he casually splits a mountain in half. Now, this unassuming sword saint adopts a daughter and steps into society, unaware he s already the world s strongest.
：Serializing
