Ash has a little adopted sister names willow who went on his journey with him. With the help of her Misty and Brock he does a lot better than he did in the Anime. Willow is Ash's world. His only sister and he's not about to let anything happen to her on their journey. All Pokedex info comes from Azurilland check it out.

Rose has been psychology alone since she was four. Kurapika has been spiraling into darkness since the rest of the Kurta clan was murdered. Will a chance reunion give both of them a chance at happiness? Or will they continue to be alone? Note: I am going off of the 1999 version of the anime, although you are free to go with your preferred version. Kurama and Hiei's relationship: https://www.youtube.com/playlist?list=PLpx6GOcQSdJVS5bNS0CCBxOuoYtout_zD I don't own Hunter X Hunter or Yu Yu Hakusho, although that would be amazing. The only character I own is Rose. All others belong to Togashi, who created both anime/ manga.