Why does the shark I picked bite people?

As a senior mermaid who has lived for more than 200 years and is also the first to go ashore, Shang Bieyun's long-cherished wish is to improve the overall quality of the mermaid circle, so that everyone can earn more money from their human race and enjoy a high-end and exquisite life.One day, because of a momentary soft-heartedness, he picked up a mixed-breed shark and brought it home. He taught it carefully, grasped it morally, intellectually, physically and beautifully, and raised it to be taller than himself.Tsk tsk tsk, Shangbieyun is very satisfied.But I didn't expect, wait... what bit me?If something bites me, I won't let it go?God, why did I encounter this kind of insanity? ? ?So what can I do?Shang Bieyun is not only soft-hearted, but also blindly protects the calf.If you raise your own cub, just bite it.This is a story about an old (?) mermaid picking up a fresh and tender mermaid to live and save the whole family.The tsundere mouth is not clean and the pure-blooded mermaid is shou×revenge script to develop a black-bellied mixed-breed mermaid. The age difference is about 200 years. Friends who eat the next year are blessed. But Gong Shou has always been a male cub, you can know this by reading the classification of the text.So please mine yourself.Content tags: Ancient fantasy of ghosts, gods and monsters under the strong age┃ Search keywords: Protagonist: Shang Bieyun; Cheng Jiao┃ Supporting roles: Cong Yin; Hui Niang; Ji Chengfeng; Yao Ke; Zhan Ming;