Sengoku Inuhime!: Nobunaga no Imouto to Shinkon Life

Reincarnated into the Warring States Period! Take Nobunaga's sister, Inu (nickname Wanko) as your wife and survive in this war-torn world! Enjoy newlywed life in the Warring States period with a healthy, beautiful, G-cup, traditional wife. Your first experience! A lovey-dovey encounter on the beach! Wearing dog ears and a collar to tempt you into making babies! Sometimes, she even leads the navy to battle at sea!

(Source: Bishoujo Bunko, translated)