Kotatsu 炬燵 (Japanese foot warmer)
It’s a special table we use in winter.
It’s like a table, with a heater and a coverlet is combined.
The prototype of [Kotatsu] was invented in the Muromachi period.
In that times, coal was used for heat source.
In the Showa period, electric [Kotatsu] was and invented, and for the ease of using almost every familiy had a [Kotatsu]
It’s wonderful to tuck in the [Kotatsu] with your family or friends, and eat/drink [Mikan] and green tea. Also, it’s a great situation to have communication.