You can purchase and download these models below!
Ghost Woman
https://www.turbosquid.com/FullPreview/Index.cfm/ID/1539156
https://www.cgtrader.com/3d-models/character/woman/japanese-style-ghost-woman-with-pbr-materials-and-multiple-skins
https://blendermarket.com/products/japanese-style-ghost-woman-with-pbr-materials-and-multiple-skins
https://www.pond5.com/3d-models/item/128015050-japanese-style-ghost-woman-pbr-materials-and-multiple-skins
Ghost Samurai
https://www.turbosquid.com/FullPreview/Index.cfm/ID/1539251
https://www.cgtrader.com/3d-models/character/man/ghost-samurai-warrior-with-pbr-materials-and-multiple-skins
https://blendermarket.com/products/ghost-samurai-warrior-with-pbr-materials-and-multiple-skins
https://www.pond5.com/3d-models/item/128014836-ghost-samurai-warrior-pbr-materials-and-multiple-skins
Ghost Boy:
https://www.turbosquid.com/FullPreview/Index.cfm/ID/1539216
https://www.cgtrader.com/3d-models/character/child/japanese-style-ghost-boy-with-pbr-materials-and-multiple-skins
https://blendermarket.com/products/japanese-style-ghost-boy-with-pbr-materials-and-multiple-skins
https://www.pond5.com/3d-models/item/128014491-japanese-style-ghost-boy-pbr-materials-and-multiple-skins