更新日 2026-08-27

Kizoku Reijou ni Umaretakaraniwa Nengan no Daradara Neet Seikatsu shitai.

原作 TANNON Arun 作画 KIRAI Yuu

ブラック企業で過労死した前世をもつ伯爵令嬢のマリーは、今世では惰眠をむさぼり、だらだらした生活を送ることを決意する。そのためには、婚約者のグレイに本性がバレてしまってはいけない! 可憐な令嬢を装いつつ、未来の旦那様に降りかかる問題は前世の知識で次々に解決していく。すると、ニート生活のための基盤を作っているだけなのに、グレイはマリーに夢中になっていて……!? 規格外のぐーたら令嬢爆誕! 異世界でお気楽極楽ライフを目指す、ドタバタ奮闘記が待望のコミカライズ! [Original Web Publication](https://www.alphapolis.co.jp/manga/official/656000576) Marie, a count’s daughter, retains memories of her past life, where she worked herself to death at a soul-crushing black company. Determined to live a lazy and carefree life this time around, she resolves to spend her days idling away. However, to achieve her dream of a stress-free existence, she must ensure that her fiancé, Grey, never discovers her true nature! While maintaining the facade of a graceful noble lady, Marie effortlessly resolves the troubles that befall her future husband using her past-life knowledge. But despite her only wanting to secure a comfortable NEET lifestyle, Grey finds himself utterly captivated by her…!? Thus begins the tale of an out-of-the-ordinary slothful noblewoman! A long-awaited comic adaptation of this chaotic yet easygoing isekai story!