A story about a researcher in an abandoned castle, taking care of a mysterious egg. Everyone who used to work there has already left, leaving him completely alone. One day, the egg cracks—and as the only scientist remaining, he’s forced to raise the dragon (in human form), especially teaching him about sex education.
This is a world where demi-beast and humans co-exist. The uke is a sociable and popular person but for some reason he still hasn't experienced his heat like everyone else. There, he met his roomate (the seme), a closed person. He tried to keep his secret hidden but it's the seme's pheromones that so strong.
15 07,2025
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In the Castle: the Dragon's Erotic Education