"You should thank god that I'm your first." If he licks and sucks my clit and inside so much... My magic power will spill out! This demon... He's too good at sex even though he's just an N.P.C. character! Mia, who died from overworking, is reincarnated as the saintess heroine in a "bad-ending-riddled R-18 Otome game". If she doesn't do anything, she will enter the demon brothers' hard sex route and die again... So, Mia decides to use the heroine's vast magical power to raise the youngest of the demon brothers, Caius, as a bodyguard! However, the only way to transfer magic power... is through extremely pleasurable sex! In all kinds of places and positions, the demonic piston doesn't stop no matter how much she cums! Caius, who is trying to overtake his older brothers, devours Mia's body with his bottomless vigor... The game events trigger one after another along with the appearances of the demon brothers. What is the fate of Mia who only wants peace and quiet?

"You've came quite a lot. But sorry... I'm still craving more of you." A large body and a strong piston that could hollow you out! My womb is being painted with his divine energy... I'm gonna cum... Ngh! I'm making lewd sexual noises now that I've never made before...! Due to the village's rule that has continued up until present day, a young girl named Saki is given up to a God as a sacrifice. Thinking that her fate was to be killed-The God named Gaira, says he won't kill Saki. Saki decides she will hide from the villagers and live there with Gaira, but in order to do so, she must absorb his "divine energy" into her "womb." "Feel me. Tell me you want my hot, hard penis to pierce you, that deep inside of you yearns for my seed..." The strong splashing sound; the slushing of penetrating deep inside. A virgin devouring God, and a sacrificial virgin's sweet but lewd life together begins...