About Me Being Summoned from Another World to Become a Dragon Tamer

Under the clear blue sky, a young man was lying on the grassland, looking at the princess lying next to him, snoring and drooling, claiming to be a descendant of the dragon clan. "Alas..." A sigh came out of the young man's mouth helplessly. The young man looked at the sky and thought to himself, others who traveled through time only had golden fingers and heaven-defying systems, but I had nothing... It's really like "the dragon is useless at the beginning, and you have to rely on picking up everything to eat and drink!"