Centering on the summer island vacation theme, Sanrio launches a limited-time pop-up project targeting young women and parent-child groups. Integrating classic IP images such as Hello Kitty and Cinnamoroll, the project is a key seasonal offline marketing initiative adapted to summer consumption and social trends. Adopting a color palette of beach white, sea salt blue and tropical warm orange, the space is elaborately decorated with simulated beaches, sun umbrellas, surfboards and tropical plants, paired with giant three-dimensional IP ornaments to restore the authentic seaside party atmosphere. Equipped with peripheral sales areas, beach-style interactive games and themed photo scenes, the project sets up a stamp-collecting gift activity to deliver lightweight and relaxing experience. Practically significant, the project triggers spontaneous online sharing via summer-social-friendly and healing scenes, forming a closed-loop communication effect. It not only boosts the sales of summer-limited co-branded products, but also consolidates Sanrio’s positive and healing summer IP image, strengthening its differentiated market competitiveness in seasonal marketing.