DOR is a video categorization website that focuses on Japan's vibrant youth culture. The platform brings together the most popular themes and trends from today's teen market of over 2.5 million users. DOR has become a major provider of enriching video content tailored to Japan's teenage market, further developing an innovative communication tool that promotes dialogues between different communities linking hobbies and interests. The day-to-day management of these videos, whether updated by users or by our team, is done through a state of the art manual operation. Videos that highlight topics such as comics, anime, characters, games, etc. are very popular on the platform and we help promote these videos to engage with our teen audience.