A little boy met a underage mermaid at the beach. They became friends, but they never saw each other again because of one incident.
The boy's name was Bai Xichen. When he became an adult, he met his childhood mermaid friend Xia Xinghai. However, Xia Xinghai did not recognize him because Xia Xinghai lost a memory due to an accident, but he felt that Bai Xichen was very familiar to him.
One day, Xia Xinghai was kidnapped because his identity as a mermaid was exposed. Bai Xichen fell into the sea on the way to save him. Xia Xinghai wanted to save him, but was shot through the chest with a gun. He endured the severe pain and jumped into the sea to save Bai Xichen, but he slowly turned into foam and disappeared.
Two years later, they reunited again
Purpose: I want them to know that love has no gender distinction