Mastery of Elf Water

On the day Xiaomao, the grandson of Dr. Oki, an authority in elf research, was born, Suicune, the incarnation of the north wind, visited late at night and brought a baby, which he handed over to Dr. Oki. He left quietly with the white mist. Dr. Oki has since had a grandson. As a change in this world, what strange story will he have? The introduction is weak, please read the text. There may be a single heroine or no heroine, so please read patiently. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.