Vitaminkoo

Gia Đình Cầu Vồng, also known as GĐCV or Vitaminkoo, is a Vietnamese online platform for reading boylove and danmei comics for free. The site focuses primarily on manhwa and offers a broad catalogue of romance and relationship stories, alongside drama, comedy, action, crime, fantasy, and historical titles. Readers can browse series by their latest chapters, completed or ongoing status, popularity, and genre, with chapter updates displayed throughout the listings.

The catalogue includes stories set in modern workplaces, schools, and entertainment industries, as well as supernatural and period settings. Browse tools also include thematic tags covering character traits and relationship dynamics, such as age differences, contract relationships, cohabitation, unrequited love, and reunion. The site highlights popular titles and provides sign-in and sign-up options.

Its notice says updates may be slow but series are not dropped, and asks readers not to pressure the team for chapters. The website states that its content and images are collected from the internet and that it does not own them or accept responsibility for them