I have Immortality In The Cultivation World - Chapter 568 - 317: Trembling the Martial World_2

As one of the first players to gain access to World of Falan—the first immersive game worldwide—Roland creates his character as a Mage.

However, playing as a Mage is not as fun and easy as he thought. His head even explodes after he casts the very first spell in the game.

Stubbornly sticking to his class when most Mages decide to create a new character, Roland gradually discovers tricks of the trade and his unusual talent. This allows him to change people’s stereotypes on Mages and to explore the deeply-buried secrets of this game…

Shu Yu transmigrated and became the original novel’s violent and brutal female Demon that caused the supporting male character, AKA hidden Boss, to become batsh*t crazy. However, right now, the Boss is just a lowly slave that was just given to her. What should she do?

- Description from Novelupdates

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?