Kaido autistic son(One piece harem x male reader)

Everybody in wano didn't know that Kaido had another child with another woman. This child name was Y/n L/n and Kaido didn't really care about him but Yamato raise him until one day Kaido obligate him to eat a devil fruit named the azur azur fruit model:european. After this Kaido start to train him but was too rought and almost killed Y/n sometime. Yamato coudn't bear it and helped you run away and after saying goodbye Y/n then float on the sea on a boat until he get on an island named orange island.