Shirabe
遅ればせ ながら

乍らながら

Common particle conjunction
English jmdict
1
particle · conjunction word usually written using kana alone while;during;as
after the -masu stem of a verb
彼女は身振りを交えながら演説した。
She accompanied her speech with gestures.
2
particle · conjunction word usually written using kana alone while;although;though;despite;in spite of;notwithstanding
See also: 我ながら (われながら)
あれほど金を持ちながら彼は幸福でない。
For all his wealth, he is not happy.
3
particle word usually written using kana alone all;both
See also: 二つながら (ふたつながら)
4
particle word usually written using kana alone as (e.g. "as always", "as long ago");in (e.g. "in tears")
5
prefix while doing something else (at the same time)
See also: ながら族 (ながらぞく)

ながら

female given name or forename
English jmnedict
1
Nagara
English jmdict
1
expressions (phrases belatedly;though a little too late
Other forms 遅れ馳せながら 【おくればせながら】 · 後ればせながら 【おくればせながら】 (search-only kanji form) · 後れ馳せながら 【おくればせながら】 (search-only kanji form) · 遅ばせながら 【おくればせながら】 (search-only kanji form)