Infinite Rebirth Is the Strongest

A house whose whole family died accidentally left a blank system and was transported to other dimensions. The system content needs to be supplemented and set by yourself but not too much. There are 3 system options initially. After the system is upgraded, one system option will be added at each level. The highest level is unknown. Let's see how he makes the system the strongest. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.