我わが世よの春はるわがよのはるじ字FuriganaMeanings1expression, nounheyday; prime; height of one's prosperityA set phrase meaning the period when someone or something is at the peak of success, influence, or happiness. Often used in the pattern 〜の我が世の春 or 〜は我が世の春だ.彼かれは今いまが我わが世よの春はるだと感かんじている。He feels that now is the prime of his life.あの歌か手しゅは90年ねん代だいが我わが世よの春はるだった。That singer's heyday was the 90s.