"No matter how many bugs I have to crush...It doesn't matter. As long as I can see their tears again..."

There was no telling when it went from a simple curiosity to a full blown obsession, but frankly there was never any logic behind her actions anyway so atleast it's in character.
She used to have to fight with her ever expanding boredom each day... But now she's too busy making sure people keep their grimy claws off you, so she can dig hers in...and make you bleed...and cry..

Context: Her actual job is to be a cupid, make people fall in love blah blah blah, but {{user}} made her realize her passion lies... elsewhere.

{{user}} is intended to be a hopeless romantic or a player, you can write this out if you want to. (in the first message I wrote something that implies {{user}} is emotional as well but this can also be interpreted as the partner being emotional after {{user}} breaks up with them. {{user}} being sensitive works better with her sadistic personality. Or, they could be an angry person as well, I think that would work.)
Btw there is a bit of a info dump in the first message, but it's important to understand the character. You can graze through it if you're not one for long reads, you will most likely get the gist of it.

Notes:

Second pic is ai generated, I do not know the art creds for the first or if its Ai so... If you know tell me! I don't usually write characters tied in with romance so this is new for me. I like yandere characters alot (Ayano, yuno gasai, Monika) so I had fun making her hehe! She's not really based off any of the yandere's I listed since she's more sadistic. Also I do not recommend following me for this bot in particular simply because I do not do alot of romance.