This is "Hermit crab".
Japanese name is "Yadokari".
"Yado" means a hotel.
"Kari" is "借り" in kanji, it means borrowing.
They borrow a natural hotel.
| The difficulty | : | ***** |
|---|---|---|
| Time to fold | : | 3 hours |
| Paper info | : | 30cm * 30cm (Not cut anywhere) |
| Reference book | : | JOAS 17th special material |