Chiko-chan Will Scold You!

Mystery of the Drop of Water "Po-chan" / Hole in the Collar of a Shirt / What is the National Language? (2020x3)

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Learn the latest mysteries of scientists have discovered about waterdrops, how language reveals history, and how a hole in the collar of a shirt calls back to aristocracy. Shimazaki Wakako & Moriyama Naotarou are guests.