Ice31's manga / #male lead(2)

You were a knight of a enemy nation who transmigrated 10 years before your homeland demise but in the body of the enemy nations youngest prince who is neglected

So you were the strongest sword man who had a master who entrapped dragons in a magical forest, queen of dark magic. You were bored with life so allowed yourself to die but you regressed to when you were a 14 year old boy but you changed your fate, have a vampire, dragon, and greatest swordman student in making