The Possession of a Depressed Sub Character

"What in the world is going on?" I was just escaping my depressing reality by reading web novels when I got possessed. The problem is, the body I possessed is destined to die, caught between the main lead and the main sub. "Do you want to find your original path?" "Can I return to my original world?" "Change your given fate. The choice is yours." Claude decided to help the two protagonists fall in love and reach a happy ending, hoping to avoid his own death and return to his original world. "Come back to my side." 'Come back?' However, the main lead, Perid, shows no interest in Ridley, the original main sub, and instead displays an inexplicable obsession with Claude... Will Claud...