Nobody talks about these. Four minutes of the cast doing normal things, wearing the exact same emotional weight as the main show but sideways. You watch Akihito try to cook, or Mirai deal with homework, and it lands because the show trusts you to care about them when nothing apocalyptic is happening. The supernatural heaviness lifts just enough to let you see who they actually are outside the crisis. That's where the real connection lives.

Beyond the Boundary: Mini Theater is a set of seven short specials from 2014, packaged with the Blu-ray and DVD volumes of Beyond the Boundary. The shorts are labeled slice of life and supernatural. Their episode titles include Oniichan Daaisuki, Idol e no Michi!, Pajama Party, Gasshuku ni Ikou! and Haha Kara no Tegami.