An illustrious character LoRA for Sachi Umino from Kakkou no Iinazuke/A Couple of Cuckoos trained purely on manga images. I recommend a strength of 0.8.
Appearance:
kakkoumanga_sachi, blue eyes, light blonde hair, bob cut,
School Uniform:
school uniform, serafuku, short sleeves, pleated skirt, loose socks,
Add "monochrome, greyscale," for more of the manga look.