Paintd in Clip Studio Paint with a background assisted by Stable Diffusion. Part of my multidimensional world called "Stardrain"
Buy the NFT here: https://opensea.io/assets/ethereum/0x495f947276749ce646f68ac8c248420045cb7b5e/108735209981264603466549631703904980087858999566532358164717721508467041107969/