When the Cannon Fodders Join a Red Envelope Group

In a twisted world of scripted stories, the protagonists hurt others, yet their actions are painted as pure and virtuous. The sacrificial side characters suffer tragic fates just to decorate the protagonists' happy endings. [Ding-dong~ A new sacrificial side character has joined the group~] One day, a pretty but weak side character from a horror survival world joins the group chat... One day, a pitiful side character being targeted by a killer in a suspense world joins the group chat... One day, an unlucky Taoist master from a fantasy world joins the group chat... One day, a little demoness from a martial arts world who loves changing her secret identity joins the group chat... One day, a... #At first# Members of the Interdimensional Red Packet Group introduce themselves: I'm a side character from a sci-fi/suspense/survival livestream/martial arts/apocalyptic world... Newbie, are you a side character too? The newbie, who just learned through the group chat how she was supposed to die: I am. I had such a horrible death T-T #Later# #They tore up their side-character scripts# Members of the Interdimensional Red Packet Group snack on melon seeds and chat: I just took over a new territory and left it in the hands of my dog-headed adviser / My boyfriend seems jealous lately. Am I really that awful? / Someone keeps seeing through my new secret identity. I'm going to confront him. Any makeup tips? / I invented a new kind of poison while cooking. Want to try it? Maybe I should cook for my boyfriend to try... Oh, a new side character just joined the group. Have you escaped your side-character fate? The newbie, still shaken by the way she was supposed to die: ...I think I already am? P.S.: 1. There are many side characters, with one story arc for each. Theme: Don't do to others what you wouldn't want done to yourself