Jilpungpaedo

The Northern Demon Sect Rebellion ended in less than half a year. Though the war concluded with victory for the Central Plains martial world, the Baekri Clan was utterly annihilated by the Demon Sect in the process. Having lost all his parents and siblings,
Baek-Ri Kang, the sole survivor, has but one goal: The complete annihilation of the Demon Path!

(Source: KakaoPage, translated)