Board Thread:Speculation House/@comment-25266931-20161223214823/@comment-26397825-20161225053932

Arkantos95 wrote: Wasting time on a series with a seasonal runtime of about six hours on tertiary characters is not a good idea. Six per season? That's giving them too much credit. More like six hours for the first Arc, which is three volumes/seasons put together.

There simply isn't enough screen time to flesh out anyone but the main characters and those few supporting characters who are shown on screen at the same time. And really, just because we don't see CFVY or SSN now doesn't mean they won't pop up later and get some development then.