Ruins and Grim's dreams
Two hours later, Orpheus and the girls were inside their classroom, waiting for their teacher. She came one hour later; she looked exhausted with a pale face.
''Sorry, the competition, I meant the mock battle would be postponed. We have an emergency. A new ruin has appeared, and we are exploring it, but we discovered something. This ruin is different from any other ruins we have explored; we can't explore it.''
''All of you must have heard of Ruins before. Ruins are like dungeons or like forbidden zones. The dungeon Ruins had many levels and restrictions put on them. Normally you will be authorized to raid Ruins only a few months later, but as things are going on, we decided to let you explore ruins ahead of schedule.''