BanG Dream! Girls Band Party! Tsurumaki Kokoro PM Figure presents the cheerful vocalist in a lively, stage-ready pose. The sculpt captures Kokoro's bright, optimistic energy through a expressive face, dynamic stance, and carefully textured costume details. The color palette is vibrant, with clean paintwork that highlights subtle shading on fabric folds and accessories. The figure conveys movement through sweeping lines and a balanced upper body twist, suggesting she is mid-performance. A sturdy base supports the dynamic silhouette, making it easy to display on shelves or in showcases. Overall, the piece emphasizes high-quality craftsmanship and a faithful representation of Kokoro within the BanG Dream! universe, appealing to fans and collectors alike.

Kokoro Tsurumaki is the spirited lead vocalist of Hello, Happy World!, a band within BanG Dream! Girls Band Party!. Her personality centers on joy, friendship, and encouragement, and she often acts as the heartbeat of the group, rallying her bandmates and fans with a bright, can-do attitude. In the story, Kokoro's music fosters connections across the band's diverse members, bridging differences and helping new fans feel welcome. Her journey involves overcoming self-doubt and learning to trust in her own voice, which resonates with others who seek courage to express themselves through music. As part of the BanG Dream! multi-media world, Kokoro's performances emphasize teamwork, optimism, and the transformative power of song on stage, at events, and in the lives of fans.