The Rise of Libitina (DDLC/YBF Crossover)

After helping Monika break through the negative barriers of her friends' hostile facades, MC, with the help of Peter, a friend from another world, takes the chance to reverse the installment and reset everyone back to how they were; however, little did the two boys know that something was deep within the recycling bin with the four Literature Club members, and it will stop at nothing until all four of the girls were corrupted and gone for good...