Mydramalist has thousands of doramas, so I exclude all those I can't find or equal/under 30 minutes length or under 3 episodes long or belonging to Detective...
Among sequels I value Youkoso Jitsuryoku Shijou Shugi no Kyoushitsu e 2nd Season above Overlord IV or Made in Abyss: Retsujitsu no Ougonkyou or Dungeon...