Squid's OCs!!

Her AU was a pacifist route, in which Frisk (her sibling) freed monster kind. Doodle worked at a small family-owned restaurant at the time, and the two were very happy with their new family!!

...Until Error shows up.

The AU is ravaged, of course, and Doodle is only able to grab her sibling's jacket before Frisk is destroyed by Error. Doodle herself is soon after caught in Error's strings as well, and her soul is crushed. She's thrown to the ground, dying--

But instead of death, she falls into a portal to the Doodlesphere, where some of the same paints that Ink uses to feel mends her soul (very haphazardly). She wanders this Doodlesphere, jumping from island to island, until she finds another substance, similar in properties to Ink's paints but in colored pencil form. Doodle is able to utilize these colored pencils for magic; they allow her to use different attacks.

Doodle discovers that with this new magic also comes the ability to make portals. It takes a few tries to get it right, but eventually she's traversing the multiverse with one goal in mind;

Kill the monster who took her sibling's life.

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(Misc stuff)

She doesn't consider herself aligned with either Nightmare's Gang or The Star Sanses, but does help the latter from time to time.

Her soul, now damaged, no longer reflects the kindness she once held. She lost a lot of that when she lost Frisk. It seems to get greyer the longer she looks for revenge.

When Nuwa planted MK in the stone, she also planted another monkey, Lian. She was supposed to be a backup, in case MK was for whatever reason unable to fulfill his destiny. While MK was found and raised by Pigsy, Lian was raised by the (currently unnamed) rival shop owner across the street. Lian has a very strained relationship with him, as he isn't the best father (or person in general)

Lian LOVES Nezha. Is obsessed wt him, even. She heavily relates to his original myth and the bad relationship he had with his father. She named herself Lian after his lotus flower themeing (she's trans).

She doesn't find out about her and MK until the pillar is collapsing. For a reason unknown to her at the time, she felt a draw to the pillar. Upon arrival, MK was already in the process of sacrificing himself, so she had no need to jump in. It was after MK made his "sacrifice" that Xiangliu came to her and explained exactly what she was: a replacement.

Shes angry. Bitter. But intrigued at the idea that she, in slightly different circumstances, could've been in MK's position. Raised by Pigsy instead of her father, trained by Monkie King, a sacrifice. Of course, MK doesn't die, and she starts observing him. Not outright stalking, but taking notice when she sees him leaving pigsys or defending the city. Eventually she meets him face to face, but she doesn't tell him about their relation for a while.