I confirm this.
Jokes aside I tried to grasp something with google translate.
I'm ESL so my English may not correctly express all I think about it, I hope it's clear enough.
Right now it just seems like a tragedy, I don't see much "porn potential". The general idea of a heroine who could commit suicide or be killed is an interesting one, though.
I would attenuate everything, starting from the title, using some metaphor: "A life of shit" is not captivating if it is not ironic.
The drama should be developed during the story, not imposed as a premise, and I would transform the heroine from the main protagonist into the protagonist's love interest.
Usually the MC is used as a tool to lead the reader through the story and to the other characters, which are usually more interesting than the MC itself.
A depressed/depressed MC isn't alluring, a troubled love interest might be. I'll shorten the game, instead of following this unfortunate girl's whole life I'll focus on that cool idea of heroines possibly dying (suicide or murder).
Time of 1-2 weeks in a predetermined location (a hotel? a remote island? a tourist village in the mountains?) something happens, no one can leave and MC has to fix it. There he finds the MC, probably polite and nice, and then he learns about her past, and she could kill herself or be killed or whatever. Add 1-2 other possible love interests, maybe all exclusive, 3-4 hours to end up successful (even without having any relationship) and so on.
You should not self-insert. It's not inherently bad, we actually enter ourselves in all the characters we create in one way or another, but you'll carry your own biases and lose focus on the story. I bet you have many interesting things you want to say about the topic you have proposed, but you should focus on your readers and think about how to convey compelling stories by talking about what you really want to communicate to them.