Nakai-san (中井さん) is a small reindeer that belongs to Shiwasu Kakeru.


He has a big red nose and a brown necklace with a yellow bell as the medal. He is smaller than Kakeru's shoulder.


  • Nakai-san is a symbol of Christmas.
  • He lives in the dorm with Kakeru even when Christmas ends.
  • He often leaves gifts for Kakeru, such as pounded fishcake. [1]
  • Nakai-san's name may come from tonakai (トナカイ), which is the Japanese word for "reindeer".


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