“The probability of us dating is 0%.”

The protagonist, Shimon Atsushi, who was rejected by his childhood friend with whom he should have been on good terms.

Even after a year, he dragged out his heartbreak, reliving it as a nightmare night after night.

Suddenly appearing before him was a devil named Laplace.

With the abilities to ‘see probabilities’ and ‘manipulate probabilities’ granted by Laplace, the protagonist’s fate took a dramatic turn.

The protagonist’s goal was singular:

To make the ‘probability of dating his childhood friend’ 100%!

But for that, he needs 100 cr**mpies.

A story of a deep world where the protagonist masters his abilities, where appealing heroines fall for him, and where many mysteries like the protagonist’s past and the true identity of the suddenly appeared devil intertwine in complexity.

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