Akumade Taidana Akuyaku Kizoku [Light Novel]

[Machine Translation] There was a hero who saved the kingdom of Arecidas despite being the second son of a corrupt duke who wanted to overthrow it. His name is Ryuk. He is the most powerful wizard in the world, who uses a unique magic called "Sleep" to put all mankind to sleep. However, his true identity is that of a lazy reincarnation who loves to live a lazy life! His only dream is to realize "a 100% comfortable nap. He has no intention of helping others, but only to put those who disturb his sleep into "eternal sleep" for a good night's sleep! Then it turns out that the interrupters are from my father's faction, which is plotting to overthrow the state, and I have to work to stop the war...? The Prince of the Year: The Prince of the Year is a very sleepy prince who is tired from his nap. A magical sabotage fantasy in which a powerless prince saves the world in order to take a nap!

アレシダス王国の転覆を狙う悪徳公爵の次男なのに、国を救った英雄がいた。名をリューク。全人類を眠らせる固有魔法“睡眠”を扱う最強の魔法使い。だがその正体は―グータラ生活をこよなく愛する、だるだる転生者で!?彼の夢は、“気持ち良さ100%のお昼寝”の実現ただそれだけ。人助けするつもりなど毛頭なく、ただ快眠のために眠りを妨げる者を“永遠の眠り”につかせていただけだった!すると邪魔者たちが国家転覆を目論んでいる父の派閥と判明し、戦争を止めるためイヤイヤ働かないといけなくなって...?「ボク、もう眠いんだけど?」脱力系王子がお昼寝のために世界を救う、マジカル・サボタージュファンタジー!