Weight 1 seems to work perfectly but you might need to lower it when also using other Lora.

Trigger prompt: YamadaElf

General prompts: YamadaElf, long hair, hair bow, drill hair, blonde hair, red bow, hairband, twin drills, brown eyes, pointy ears,

With outfit prompts: YamadaElf, long hair, hair bow, drill hair, dress, bow, blonde hair, red bow, pink dress, hairband, twin drills, brown eyes, long sleeves, pointy ears, lolita fashion, white bow, white pantyhose, red footwear, mary janes, shoes,