: The video resolution. This is "Standard Definition," which is often favored by users with slower internet speeds or limited data, as the file size is much smaller than 720p or 1080p versions.
: This denotes the episode number. Episode 6 of the first season is titled "Cloudburst" (or "Shūsetsu" in Japanese).
In the context of the story, episode 6 is a major turning point for the protagonist. It focuses on: