Lilia Pregnant the World End  

リリア・プレグナント・ザ・ワールド・エンド

If Lilia, the daughter of the Demon King, has sex with Takahiro, it could lead to the destruction of the real world. After defeating the Demon King and saving another world, Takahiro returns home. One day, Lilia unexpectedly arrives at Takahiro's peaceful residence. Despite his initial apprehension about revenge, Lilia intends to conceive a child with Takahiro, who is known for his strength.