The female lead and our main protagonist of the book. A carefree, curious, calm and genius young girl. She died from a heart-attack in her original world because of her half-sister, Afterwards, the Lord God found her and made her task-taker. Yu Meng is passionate about her missions and is very lazy. Also, her love for food can't be underestimated. And her partner for the missions is Xue Yun, Yu Meng's cute system. 

The mysterious male lead. 

Yu Meng's sweet system, who always tries her best to help her host at any cost. Xue Yun is the only one who knows how Yu Meng truly is and how scheming she can be but Xue Yun is still her host's number one fan and always listens to Yu Meng. Xue Yun is an artificial intelligence created by Space God. 

The Gods of humans, the strongest God existing, only second to the Heavenly Emperor. He is a silvered-haired man with sharp phoenix eyes and his pupils are golden. Lord God skin is white as snow and his majestic presence makes him look more charming than anyone else. He treats Yu Meng like his sister and spoils her without her knowledge. He also likes to tease Yu Meng very much. 

Lord God was an important character in Yu Meng's past-lifetime. 

He is also one of the strongest God in the Heavenly Court and is the founder of Space Headquarters, all the systems, space market, space hall and the space voids. He is also the brother of Lord God and both him and Lord God are always on good terms. Space God treats Yu Meng very well and likes her as a sister and pampers her from the shadows. 

Space God is also important character in Yu Meng's past. 

It is where task-takers, a.k.a transmigrators, live after they finish their mission given by specific entrusters. 

The space void can be decorated by trading experience points for things from the space market.