Trapped by the Final Boss of a Horror Game

The only goal for anyone trapped in a horror game is survival. And I was transported inside the horror game Dark Village: 100 Nights as a player character. The NPCs that seem to be losing their mind little by little are of no help, and the story keeps diverging from what I remember, making my chances of survival even slimmer. Then, a mysterious boy named Nini appeared. ‘But this guy—why does he keep clinging to me?’ “You’re so calm even in a situation like this, Sister. Aren’t you scared?” “I am scared.” Of you. “Hang in there, Sister. I hope you make it to the end.” 【 ※ You can check Nini’s current thoughts. (-1 use) 】 ‘After all, this body can’t die even if I want to.’ …Mister Ni...