He's Expecting

In Paris of the near future, a dating app matches singles with their soul mates by mining their brain data. But decoding true love comes at a price.

Kumiko and Kenichi meet in college and build a happy marriage together. But over time, an unusual problem threatens to destroy their relationship.

Fuutarou Uesugi is a poor, antisocial ace student who one day meets the rich transfer student Itsuki Nakano. They argue but when Uesugi realizes he is to be her tutor, he tries to get on better terms. While trying to do so he meets four other girls.

A seemingly happy marriage begins to dissolve when the husband's faithfulness is called into question, and both spouses become tempted by other desires.