In a porn video project focusing on amateur futanari girls. Nao-chan, a virgin girl who has not yet even experienced kissing, steps up to the challenge of having her first time sex!
The protagonist reincarnates in another world with the power of support magic that can only be activated via sex. Knightess Kris is a pure girl, but if she is to have any hope of defeating the demon lord, she'll need the help of that magic...