Shiraishi Manaka (白石 愛香) from the game Oshikake☆Panic (おしかけ☆パニック). Trained on a variety of in-game cgs, this one seems to work best at 0.8 strength and since it was game cg, using "uncensored" is recommended for NSFW stuff.
Prompt
shiraishimanaka,red hair,short hair,blue eyes