Talk:Tasuku Ryuenji/@comment-39890053-20190716072830/@comment-11372432-20190716075712

It’s called a “dangling plot thread”. The soft reboot that was season 3 made a lot of those which is why it’s looked down upon by many in the fandom.

See also:
 * The Disaster
 * Sofia and various Disaster members’ whereabouts
 * Various characters’ whereabouts in season 4
 * In fact, just so very many whereabouts of verious characters in general. It’s not that we needed to see them all the time, but there were plenty of situations where it was weird some didn’t show up and plenty just up and disappeared without or word or even implied that they would be back without them actually coming back