Add model card with paper citation

README.md

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+---
+tags:
+- UniCharacter
+- customized-multimodal-role-play
+- multimodal-role-play
+- character-customization
+- text-to-image
+- image-generation
+- arxiv:2605.08129
+---
+
+# UniCharacter
+
+UniCharacter is a collection of character-specific checkpoints for **Customized Multimodal Role-Play (CMRP)**, introduced in the paper [Towards Customized Multimodal Role-Play](https://arxiv.org/abs/2605.08129).
+
+The model is designed to customize a character's persona, dialogue style, and visual identity so that the character can respond consistently across text and image generation settings.
+
+## Repository Contents
+
+This repository contains separate checkpoint folders for multiple characters. Each character directory includes sharded `safetensors` weights and a `model.safetensors.index.json` file.
+
+Available character folders include:
+
+- `Adrien_Brody`
+- `Bo`
+- `Butin`
+- `Chandler`
+- `Coco`
+- `Furina`
+- `Gao_Qiqiang`
+- `Hermione`
+- `Ichihime`
+- `Joey`
+- `Leonardo`
+- `Mam`
+- `Miki_Nikaidou`
+- `Mydieu`
+- `Pikachu`
+- `Rin_Tohsaka`
+- `Saber`
+- `Will_In_Vietnam`
+- `Wukong`
+- `YuiYagi`
+
+## Download
+
+Download the full repository:
+
+```bash
+huggingface-cli download Tangc03/UniCharacter --local-dir UniCharacter
+```
+
+Download a single character checkpoint folder:
+
+```bash
+huggingface-cli download Tangc03/UniCharacter --include "Hermione/*" --local-dir UniCharacter
+```
+
+## Paper
+
+This model is associated with the following paper:
+
+- [Towards Customized Multimodal Role-Play](https://arxiv.org/abs/2605.08129)
+
+## Citation
+
+If you use UniCharacter, please cite:
+
+```bibtex
+@article{tang2026towardscustomizedmultimodalroleplay,
+  title={Towards Customized Multimodal Role-Play},
+  author={Tang, Chao and Wu, Jianzong and Shi, Qingyu and Tian, Ye and Zhang, Aixi and Jiang, Hao and Zhang, Jiangning and Tong, Yunhai},
+  journal={arXiv preprint arXiv:2605.08129},
+  year={2026},
+  url={https://arxiv.org/abs/2605.08129}
+}
+```