Royal Son-In-Law

When he retired as a soldier, he was wiped out by a deflected missile. He accidentally traveled to another world. A young man who was used by his girlfriend and then abandoned because of poverty, and was murdered. He survived the catastrophe and accidentally obtained the inheritance of the Dragon King. He wanted to seek justice for the original owner, but found that the original owner had already been in trouble and was targeted by a mysterious organization. Among them were not only members of the royal family, but also reincarnated immortals and border commanders... My heart is very small, and it cannot tolerate anyone who hurts me. I will fight back Then let's start fighting back from this girlfriend who abandoned me and wanted to kill me. (After the breakup, I became Wu Zun)