Game Invasion: I Became a Boss by Synthesizing Cards

The protagonist Shen Yuqing is an orphan. She has been dependent on her sister since she was a child. She has a lively and cheerful personality and is popular. Until one day the game invades the world and she can rely on cards to gain skill points. Shen Yuqing accidentally obtains the ability to synthesize cards, so she relies on her skills to become a boss.