Anime Sex Tube - Koikishi Purely Kiss 01

Based on the erotic game by Effordom Soft. When they were children, Kaname and Elcia were trapped in a burning building. Elcia got trapped behind some rubble, and Kaname wasn't about to give up on her, even though it appeared hopeless. A modern-day knight saved them just as Kaname was about to run out of strength. Following the incident, they both resolved and promised to become knights and to protect and uphold justice and righteousness above all else. Years later, they keep their vow to each other and work together to safeguard and uphold justice, while love blossoms in their hearts.