In Another World with My Smartphone (2017)

S1E9 Oedo, and the Immortal Gem

Touya makes his way to Oedo, a castle town reflecting the style of Tokugawa Ieyasu. He promptly visits Yae's residence, where he encounters their servant, Ayane, along with Yae's mother, Nanae. During his visit, he learns that Yae's father and brother have gone off to fight in Ieyasu's war.