It is a character LoRA of Shichika Yasuri from Katanagatari. The LoRA was trained on NovelAI.

For better appearance add "male, stripe bead necklace, black hair, (spiked hair:1.1), ponytail, very long hair, red clothes, red open clothes, simple kimono, hakama"

My pixiv: https://www.pixiv.net/users/91770680