Kittsui Seikaku no Kyouiku Mama ga, Jukenki Nomi Kurayami no Naka Nomi to Iu Jouken de Musuko no Sex Dairizuma o Tsutomeru Hanashi.
The Tale of a Cold, Helicopter Mother Who Agrees to Act as Her Son's Surrogate Woman to Help Him Focus on Studying! | きっつい性格の教育ママが、受験期のみ暗闇の中のみという条件で息子のセックス代理妻を務める話。
Hong Doo-kke, who lived on a secluded island to escape the Imjin War, ventures into the sea on the anniversary of his father’s death to find a sea anemone. However, he is reborn into an alternate Joseon era in another world…! In this alternate Joseon era, a curse afflicts men, causing their descendants to wither. Reincarnated as Hong Doo-kke, he faces a challenging trial alongside Princess Somyeong to overcome this curse. Will Hong Doo-kke be able to break the curse of this alternate Joseon era and ascend to the throne?