The shark's appearance is peerless, and his tearful eyes are unparalleled.
But the cruelty of human nature leaves them with nowhere to escape.
Therefore, sharks do not shed tears easily. Only when they are in the most painful and painful times will they cry.
So the sharks don't trust humans.
Later, Ayu met Qingya.
She believed in humans because Qingya said that human nature is good.
She believed deeply in Qingya, so she shed tears for him.
Finally turned into clouds and smoke, no regrets.