Based on the doujinshi Kanojo no Onee-san ni Otosareru by Sifofugu,

Credit Goes To The Artist

Training model: Animagine XL V3.1, https://civarchive.com/models/260267/animagine-xl-v3

Recommended Image Resolution: 1024+

Prompts: long hair, (dark_brown_hair:1.3), mole under eye, mole under mouth, half-closed eyes

Recommended weight: 0.9 - 1.1

Recommended to use these prompts also for anime image generation:

anime screencap, high quality anime 2d color, 2d, Accurate describe shapes, beautiful face, expressive eyes, (plain anime style), natural lighting, light particles, cinematic angle, (masterpiece), (best quality), (ultra-detailed), very aesthetic, illustration, perfect composition, intricate details, moody lighting, light rays, simple toilet background, depth of field, cowboy shot, cinematic angle, establish

Recommended Setup: Steps: 24, cfg: 5.5-7.0, Sampler: Euler A karras

Result may not be consistent, use Animagine XL V3.1 for best results.