鶯の卵の中の郭公

Reading
うぐいすのかいごのなかのほととぎす
English
An adopted child
Notes
A [lesser cuckoo>郭公 inside中 the egg卵 of a nightingale鶯 The lesser cuckoo would lay its eggs in the nests of other birds
Origin
古代
proverbsKotoKen 2