I have an Apocalypse City - Chapter 183 - : Assessment Task

Because of boredom, Xu Jinyi entered a game. In this game called “Different Worlds”, he needed to play some cannon fodder or villain to live a happy new life.

Xu Jinyi worked hard to finish the game, and finally realized that this game was actually a scam created by Zhao Chengli specifically for him.

- Description from Novelupdates

A short, happy, and heart-warming story about the daily lives of a modern-day married couple.

Mary was an only child. She came from an ordinary family and worked at a publishing house. She worked diligently every day but was always harassed by her manager.

The second prince has come of age. To celebrate the advent of such an occasion, the search for a suitable bride began. My younger sister was expected to go to the Royal Palace as a candidate. However, despite this, she eloped the day before her departure. I, the older sister she left behind, looked almost exactly like her – so much that we were often mistaken for twins…

One month, right? For just one month, shall I substitute in for my sister?