I'm going to assume that this was tagged on Pixiv as being Saori (i don't have an account, and don't speak japanese, so can't check myself), because it doesn't really look much like her.

Title and description:

千代女ちゃん❤
うっふん戦国❤

Tags:

マイクロビキニ | 形くっきり乳首 | 戦国大戦 | 望月千代女 | 極上の乳

...this ain't even from the same series