Available as both manhwa and novel.
Reformation of the Deadbeat Noble El principe perezoso se convierte en un genio
Also known as: A Superação do Nobre Vagabundo · 나태 공자, 노력 천재 되다 · The Lazy Prince Becomes a Genius · От нерадивого аристократа до усердного гения · 怠惰公子、努力の天才になる · 懶惰公子成長記 · Lazy Lord Masters the Sword · The Lazy Lord Masters the Sword · Natae Gongja, Nolyeog Cheonjae Doeda · Der faule Lord meistert die Schwertkunst · ชีวิตพลิกผันของลอร์ดผู้เกียจคร้าน · El principe perezoso se convierte en un genio
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...