Summary: My name is Jin Ray or at least I thought that was my name for 17 years until I found out the truth about my past from a stranger. It turns out I am the prince of a kingdom and I am adopted, but that's not all. A power-hungry psychopath named Sano Ryougi wants to kill me to take over the kingdom. Now I must learn how to fight from that stranger in order to protect all my loved ones from this threat.

Prologue
Everyone has something they want to protect be a friend, a loved one, things that they obtained through sacrifice, like their fortune. So, what happens when someone tries to take the things they hold precious? The answer is simple, they fight to protect them. 
At this point, there are some questions that must be answered. How far are we willing to go to protect those things that we hold precious? Are there some lines that we should not cross, or the cause justifies the means? 
But it all comes down to this. Can we live without those things?