G77 is a Taiwan-based studio specializing in the representation and sale of fan-created works. Through its online shop, it brings together independent creators and publishers, making a broad range of books and character goods available to fans. The catalogue prominently features Taiwanese BL titles, including original comics and stories, alongside related merchandise such as postcards, art cards, acrylic charms and display stands. G77 also offers items for plush-doll enthusiasts, including doll clothing, shoes, bags and accessories.

Customers can browse products by theme, title, creator, or circle and publisher, and follow announcements about new releases, event arrangements, and shop updates. Beyond online retail, G77 participates in sales events and operates a physical-store channel. It also provides consignment services for creators and circles, with information on submitting works, inventory, settlement, and returns. By combining curated shopping with practical support for independent creators, G77 serves as a marketplace for discovering and purchasing fan works and related collectibles. Its offerings include both ready-to-buy products and clearly identified preorder items, subject to availability.