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On episode 9, Yasaburou and Kaisei went to bath, and they used some kind of
citrus fruit like orange and put them inside the bath.

What fruit is this and why did they use it for bath? Does it have any relation
with them being a tanuki? When they went to bath before with Akadama-sensei
they didn't use this fruit.

![enter image description here](https://i.stack.imgur.com/sqXMo.jpg)


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the-eccentric-family
What fruit did they use to bath?


It's likely to be [yuzu](http://en.wikipedia.org/wiki/Yuzu), a sour, tart,
graperuit-like citrus fruit that have a very distinctive fragrance. In
Japanese cuisine, their juices are often used as seasoning, and their rind as
a garnish. It's tradition to a take [a hot bath with
yuzu](http://www.yuzupassion.com/all-about-yuzu) during the [winter
solstice](http://www.iromegane.com/japan/culture/2212-is-touji-in-japan/), for
the fragrance and various [health
benefits](http://rawketscience.blogspot.com/2009/12/winter-solstice-yuzu-
bath.html).


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