1 Billion if You Hold On

The main character has grown up despite many hardships.

One day, she downloads a game, attracted by the tagline saying she will win 1 billion won if she lasts a month living in the Japanese colonial era.

She thought it was a simple cell phone game, but then she enters the game world.

This is the protagonist's struggle to survive the actual Japanese colonial era.

Original Webtoon:
Naver Webtoon, Naver Series