Dragon King's Nice Son-In-Law Author Light Novels

. Hao Ren, an ordinary university student, saved a little girl who fell from the sky. By accident, he swallowed a “candy” that fell off of that girl’s body and somehow became the Dragon King’s son-in-law……... His life was turned upside-down from that point on.... There were dragons in this world? And they are living side-by-side with humans? Ancient Chinese Mythologies really happened?... Hao Ren got to experience a new world that was hidden from...