海沐島設計有限公司由「醜白兔」的作者主理，專注於「醜白兔」原創IP的圖像授權及行銷活動。
除了IP授權外，還提供品牌形象設計等全方位服務，協助客戶打造獨特的品牌形象。

Himoon Design Co., Ltd. is managed by the creator of "UglyRabbit" and focuses on the image licensing and marketing activities of the original Taiwanese IP, "UglyRabbit." In addition to IP licensing, the company offers a wide range of services, including brand image design and product design, to help clients build unique brand identities.