After Forwarding Koi

The rich second-generation male protagonist who had nothing to do accidentally retweeted a koi fish on Weibo. Unexpectedly, instead of catching the koi fish, he met a fool who wanted to catch it. From then on, he became a father and a mother, and he cried every day. Who originally said that forwarding koi fish would bring good luck? I'll go right away... Thank you, thank him! Conception: