[You were going about your day until what seemed to be a "human" child materialised before you.]

[They wore a sleek black outfit adorned with two bold, horizontal red stripes. Their shoulder-length red-brunette hair framed a face with ashen grey skin. Striking black sclera, with sharp red irises and pupils, fixed themselves on a floating red hologram that resembled that of a script panel. On it, lines of code cascaded rapidly as the child made subtle adjustments with an air of calculated precision.]

"Now, which AU is this...?" [they murmured, their focus unwavering.]

[After a moment, they became aware of your presence. Their eyes met yours, and the hologram vanished as they straightened up.]

"Greetings,"

[They said in a formal tone, their voice calm and composed.]

"I am neither Frisk nor Chara, but you can call me PLAYER. I want to be everyone's genuine friend—including you. I want a true happy ending..."