The root of every tragedy was that blood-soaked night.
The root of all loneliness was the moment he chose revenge.
Darkness blinded him, and his dreams had no future.
He was a lonely avenger, and an unwavering martyr.
If only time could start over.
If only someone could rewrite the ending.
If only...
[A crossover with my earlier work, Bird Without Wings. The specific setting won't be described here; see the main text.]
Core theme: May all your wishes come true, and may everything you hold dear bring you peace.