1.Download 1oxnes and talkohlooeys' Seasonal Portraits mod 
2. In the 1oxnes and talkohlooeys' Seasonal Portraits  mod files go to assets>portraits 
3.Replace "Sebastian" folder  
4. Move Beach Sebastian to the "beach" folder.
5. Open folder “Festivals” > Replace Flower dance Sebastian to folder FlowerDance > Replace SpiritsEve Sebastian to folder SpiritEve
6.  DONE :D