Kobeni Higashiyama from Chainsaw man

Keep in mind that settings may vary slightly between different versions. See below for more details.

When I tested this with different checkpoints and LoRAs, it seemed to work quite well.

Illustrious:

A LoRA weight of 0.9 works great, though you can adjust the strength as you prefer.

Prompts I usually used:

kobeni-cm, brown hair, short ponytail, red hairclip, single sidelock, bangs, brown eyes, moles, white collared shirt, black necktie, black suit,

kobeni-cm, brown hair, short ponytail, red hairclip, single sidelock, bangs, brown eyes, moles, white shirt, white sleeves, long sleeves, dark blue choker, black bowtie, white pompon, dark blue beret, dark blue dress,

SD 1.5:

A LoRA weight of 0.7 works great, though you can adjust the strength as you prefer.

Prompts I usually used:

brown hair, ponytail, hairclip, brown eyes, suit, necktie, white collared shirt, suit pants