The Lazy Lord Masters the Sword(2021)

Natae Gongja, Nolyeog Cheonjae Doeda

After witnessing the shocking death of his mother, young Airen Farreira uses sleep to escape his painful reality, earning him the nickname, “the lazy lord”. Yet, in spite of others’ jeers and whispers, Airen has no intention of changing his ways. But when he awakens one day from a dream about a mysterious swordsman, his life’s trajectory takes a complete turn...

(Source: WEBTOON)