By: https://civitai.com/models/937870/illustriousxl-v01-seika-ijichi-or-bocchi-the-rock

ijichi seika, long hair, blonde hair, detached ahoge, red eyes

black shirt, long sleeves, white pants, vertical-striped pants, black choker, collarbone

Weight: 1.0

Trigger + Appearance: ijichi seika, long hair, blonde hair, detached ahoge, red eyes

Default Outfit: black shirt, long sleeves, white pants, vertical-striped pants, black choker, collarbone

The results of your generations are dependent on the additional LoRAs, weights, and models you use, so it may not work or come out as consistent as my sample images.