expression, adverb
Used to shift the scene or introduce a parallel event, often in storytelling or narrative contexts.
一方その頃、彼はまだ仕事をしていた。
Meanwhile, he was still working.
一方その頃、町では祭りが始まっていた。
At the same time, a festival had begun in the town.
Compound of 一方 (ippō, 'one side; on the other hand') and その頃 (sono koro, 'at that time').