HamHamPangPang (함함팡팡) is a themed café operated by Project Moon in Suwon, South Korea, based on the fictional sandwich restaurant from Library of Ruina. Opening on August 1, 2020, the café bridges the gap between game worlds and real-life experiences. LMNQ produced the Limbus Company Promotion Café PV, released on September 30, 2022, creating a visual piece that introduced the café's latest themed collaboration to the community.