This is TA's private prosecution, and it is also a trial of two "saviors"——
I'm guilty.
I shouldn't have watched him die.
I shouldn't let those villains go.
My biggest mistake... Was to let those hypocritical people leave a life behind.
I'm cowardly.
I can't save him.
I eventually discovered that I was also a hypocrite.
"Reading guide: This article is about saving the world and is mixed with trace amounts of technological elements. What you see may not necessarily be true. Whose private prosecution and whose judgment is the verdict? Answers in the article.
Concept: What you see may not be reality, and you may be someone else's blade.