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Rainbow Hot Springs
NijinoOnsen
Kanji 虹の温泉
Rōmaji Niji no Onsen
Debut
Anime Debut Episode 39

Rainbow Hot Springs (虹の温泉, Niji no Onsen) is a vacation spot with hot springs. The place doesn't have a pleasant exterior; furthermore their inn is called Five Star Inn despite not actually being a five-star inn which is often misleading to tourists.

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