Tank Onna Kishi wa Dakaretai.

But Official English Version on Leona, who lives her life as a highly valued female knight, also has her desires. One day, while Leona was masturbating in order to quell her libido, her subordinate, Tahlia, pays her a visit. Tahlia, secretly having feelings for Leona, gets a rare chance to see her out of her armor, with the sight of her bare skin being enough to give him an erection.. Suffice to say, Leona's very pleased Tahlia finds her body arousing.