Joke Collection Website - Public benefit messages - Why does the mobile phone send short messages normally and the other party receives the information sent by Fetion?

Why does the mobile phone send short messages normally and the other party receives the information sent by Fetion?

Maybe you received a message sent to you by the other party by fetion, and then you chose to reply directly on this fetion, so that although you sent a text message, the other party showed that it was sent by fetion.

I don't know what's going on, is it a new message or something? ...