Compared to Urashima Taro, who returned home from Ryugu-jo Castle to find that his neighborhood had become a completely unfamiliar place, those who have been away for a long time and who return to their home to find that it has totally changed were called 'Ima Urashima' (Urashima of the present) in the past, and today 'the person is Urashima Taro' or 'the person is in a state of Urashima Taro' is used.
竜宮城から故郷に戻るとまったく見知らぬ土地になっていたという浦島太郎の立場になぞらえ、長い間離れていた所に久しぶりに戻ると別世界になっており面食らうことを、古くは「今浦島」現在では「浦島太郎である」「浦島太郎状態にある」などと言う。