I created my own system

WSA 2024 ENTRY NOVEL---- My talent could be considered above average, but to my family, I am of no use. Six years after the incident I caused, I inadvertently created a system. Now, I wonder if I will fail again. With my new power, I intend to ensure that my cute older brother, sister, and especially my Father pay the price for creating a monster—me. Please send some power stones, and your reviews are warmly accepted. Thank you. ----