As a Public Relations/Casting Manager for the virtual artist "HIMEHINA" at Studio LaRa, you will be responsible for supporting their activities. Your mission is to understand HIMEHINA's concept, collaborate with the management department and external parties to plan optimal activity plans and casting, and promote various projects to enhance branding and recognition. Specific duties include planning and negotiating tie-up projects, managing their progress, creating sales materials and refining proposals, negotiating with clients and related organizations, handling sales administrative tasks such as contract checks and procedures, sharing sales activity progress internally, and strategic planning and execution of public relations activities.