Six friends form a clan of treasure hunters — but can Krai, their underdog leader, rise to the challenge of collecting all the relics?

The craftsman Saitou has never felt special in his life. When he is transported to a medieval fantasy world, he gathers a group of unique creatures around him in order to survive.

Komichi Akebi is starting junior high at the prestigious Robai Academy in the countryside. It's been her dream to wear a sailor-style school uniform and tomorrow her dream will come true.