Here's the transcript in which states she a killer
Although it's perfectly natural,
even the early cherry blossoms are in full bloom.
I'm here anyway, so I might as well enjoy the flowers
before heading back.
Purple cherry blossoms bloom flowers of melancholy,
and scatter the petals of memory.
Fallen flowers, after a long time, return to the earth
and once again bloom flowers.
This is the endless cycle of sins.
Yes, the fate that occurs once every sixty years.
But it's been in full bloom for a while.
The early cherry blossoms.
It shows just how many sinners have died.
It makes you wonder what's happening outside.
It doesn't matter.
I just want to rest under these cherry trees
and reminisce about the past.
If you rest here, you'll become insane.
No, you might already be a little strange.
Whether it be humans or youkai,
or ghost or fairies,
you've attacked them.
Without much reason, as well.
I was just teasing them.
It's a daily thing.
Living is that much of a sin.
That's right, you've lived a little too long.
If you continue living on like this, nothing good will come of it.
If you were quiet and listened for a little,
you'd know it was all only fooling around.
Do you think when you're not teased,
you're above everyone else?
Let's make it as clear as black and white who of us is the strongest in Gensokyo!
It's my job to discern black and white.
However, I am not of Gensokyo.
Nor am I of this world.
Judgement is done from top to bottom, from left to right,
and must always be completely one-sided!
No matter how you fall, the one who shall be judged to be black or white is you!