Wise man's Dragon Grandchild

Shin Wolford was walking in the forest with his grandpa Merlin until he gained the power of Dragon Slayer Magic, a power that has not been seen in over two hundred years. 5 years later, Shin is going to attend the Magic Academy to show how strong he is compare to others and may meet others with similar type of magic like him and getting a harem too as he will face danger head on.