I'm Really Not the Son of the Black Dragon

Lu Xiantu traveled to a parallel world. He thought he had just moved to another world to increase his numbers, but he didn't expect that on the day he received his college admission letter, he received an admission letter from Kassel College! In order to get in touch with the real world, Lu Xiantu resolutely decided to join this dragon-slaying school. However, After Bloodmourne awakened, he gradually discovered that his bloodline could actually suppress hybrids below S level! Since then, he has become the only hybrid in the history of Kassel Academy who has surpassed the S level, and was named "Son of the Black Dragon" by the principal! "I'm just a time traveler, I'm really not the son of the black dragon!"