The correct righteousness is always your righteousness. It is your form of justice.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
Team Tofugu takes the side of justice!
I believe there is no righteousness in war.
I have been thinking about justice and evil for a long time, but I haven't found the right answer.