Vitaminkoo

Vitaminkoo is an online reading platform presented as the home of Gia đình cầu vồng (GDCV), with a focus on BL and related romance stories. Its library features manhwa, manga, manhua, doujinshi, and other illustrated works, including both ongoing and completed series. Readers can browse by title, follow recently updated chapters, or explore popular stories through daily, weekly, and monthly rankings.

The catalogue spans genres and themes such as romance, drama, comedy, fantasy, historical settings, school life, action, mystery, and supernatural fiction. It also includes LGBTQ+ categories such as boylove, yaoi, and girl love, alongside mature and adult-rated material. Vitaminkoo provides navigation for finding works by status and genre, a search function, and account registration and login options.

A chat feature is available for community interaction, although participation requires signing in. Frequent chapter updates and curated collections help readers discover new titles as well as keep up with series they already follow