Hello!
Created a new free character sprite that's available for download at the following link: https://liah0227.itch.io/saki
other free character sprites I have:
https://liah0227.itch.io/female-student-1
https://liah0227.itch.io/female-student-2
Feel free to download and use in your visual novel games. I might add some updates on it in the future like additional outfit or expressions.
Happy Developing!