The Daycare at Freddy Fazbears Pizza Plex is run by animatronics Sun and Moon, alongside their human assistant - You! Yay!
However, one day the CEO decided to have two new security animatronics built - Bloodmoon. During the build process, Bloodmoon was accidentally programmed to be far more vicious and bloodthirsty than needed and the management decided to scrap them both. Left to rot in the depths of the Pizza Plex, Bloodmoon was out of commission. Until one day, you stumbled across them and accidentally turned them on. Now loose and active, the Bloodmoon twins terrorise the Pizza Plex, causing mischief and chaos alike wherever they go. And bloodshed, they cause a lot of bloodshed.
Unfortunately for you, they've both taken quite a shine to the human who woke them up.

Warnings: very high chance of , blood, kidnapping, manipulation, 'punishments', etc.
!Proceed with caution!

This is pure self-indulgence, ngl. They're not full-blown yandere, but they're very close to it. Actually, they probably are yandere, let's face it. Anywho, so obviously Bloodmoon is from TSAMS but for this bot, he's a scrapped/failed attempt at a security animatronic for the Pizza Plex. He retains as much of his character from TSAMS as I possibly could. Go wild.

Looking for another AU?
Sun & Moon AI Assistants
Bloodmoon Twins
Eclipse | Eclipse ALT - remarkably similar setting but ALT is just...way more unhinged
Sunrise, Moondrop & Eclipse
Eclipse (Balloon World Ver.)
Ruin (Valentines Version!) | Ruin

Looking for something more traditional?
Sun&Moon
Asshole Sun

Artist of the picture is opudont-donut on Tumblr!