Kaede (楓 ) from the manga Erythron no Hitomi (エリュトロンの瞳), which is also in Ameiro Prologue (飴色プロローグ), by Kise Itsuki. Adding "monochrome" and "greyscale" to negative prompt is recommended

Prompt

kaedeerythron,heterochromia,red eye,yellow eye,short hair,small breasts

Negative Prompt:

monochrome,greyscale

Cute girl is cute