The human race is in decline, walking on thin ice.
Under the starry sky, the girl and the boy made a promise together to protect their own race with their own power.
The floating clouds shine on the water, but everything in this world does not change according to human will!
Funny version:
She said she was going to have a try, and when she came back she was already a dominant player.
He said he was going to have a try, and he would come back with incredible power.
You said you wanted to have a try, but why did you become the biggest and most famous traitor in history? You are working in the opposite direction!
Purpose: to save