Neos-de-saisei is a free Chrome add-on developed by kokoa0429. This add-on allows users to send YouTube playback status, including the title and playback position, to NeosVR, a virtual reality platform. With this add-on, users can easily share their YouTube viewing experience with others in NeosVR.

Neos-de-saisei works by establishing a connection between YouTube and NeosVR through a POST request. Users simply need to provide the YouTube link to Neos WebHook, and the playback status will be automatically delivered to NeosVR. This feature enhances the social aspect of watching YouTube videos, as users can now enjoy synchronized viewing experiences with their friends in virtual reality.

Overall, Neos-de-saisei is a convenient add-on for Chrome users who are also active in NeosVR. It seamlessly integrates YouTube playback status with the virtual reality platform, allowing for a more immersive and shared viewing experience.