you can get this model here:
https://www.cgtrader.com/3d-print-models/miniatures/figurines/kimetsu-no-yaiba-demon-slayer-tanjiro-water-dragon
https://cults3d.com/en/3d-model/art/kimetsu-no-yaiba-demon-slayer-tanjiro-statue-figurine
Im currently open for comissions.
https://www.animake.net