Isaki’s parents find out that she and Ganta have been staying all by themselves. Naturally, they demand that Isaki come home right away, but she refuses.

Chizuru reflects on her journey to get her here, and Kazuya acts on his idea to help her.

Kazuya has hardly begun to process the fallout from his birthday when he gets asked to go on another practice date with Sumi, this time with her taking the lead!

Kazuya can barely process Ruka’s actions when Nagomi decides to drop another bomb on the party.

When Nagomi hears that Chizuru’s birthday has already passed, she decides to throw a combined party for both her and Kazuya, and she refuses to take no for an answer!

Kazuya decides to spend his all-day date with Mizuhara reclaiming his lost youth… in a very peculiar fashion.

Kazuya wakes up with the worst hangover ever and struggles with his fragmented memories. Meanwhile, someone finds out about his workplace and decides to make an appearance.

As Kazuya wonders if his birthday gift was good enough, he and Chizuru find themselves in a crisis in the form of a boozer.

Kazuya tries to clear the misunderstanding Chizuru is under, all while enlisting Sumi’s help to get her a fitting birthday present.

Kazuya has barely dealt with the aftermath of Mami’s visit when he gets another aggressive visitor!

Mizuhara has lost the key to her apartment and comes to Kazuya for some reason… and she’s not the only unexpected visitor!

As the fallout from the play becomes clear, things go back to normal between Mizuhara and Kazuya, until…?

As Mizuhara looks set to quit the rental girlfriend business, Kazuya goes to watch a play, one that could be pivotal to their relationship.

Chizuru and Mami go on an awkward rental date unaware that Kazuya has seen them together. How can Chizuru handle this situation?

On Chizuru’s request, Kazuya goes on a practice date with Sumi, another rental girlfriend. Will he actually be able to help her and stay out of trouble while he’s at…

Kazuya learns that Kuribayashi’s been down in the dumps and tries to figure out how he can help him.

Ruka is hellbent on knowing the full story behind Kazuya and Chizuru’s relationship, and once she does she decides to take action.

Christmas rolls around with Kazuya not having met Chizuru for ages, and he sees something he never wanted to see.

While Kazuya desperately tries to get Ruka to promise she won’t reveal his secret, she tells him her own.

Having to spend a night in the same room with Chizuru sends Kazuya’s heart and mind racing. Meanwhile, Kuribayashi Shun has a surprise in store…

The aftermath of the ferry incident signals a clear shift in Kazuya’s feelings. Meanwhile, there’s a conspiracy brewing at the hot springs inn he and his family decide to visit.

Mami’s plan comes to a head as Kazuya decides to set the story straight, to mixed reactions.

Kazuya barely has time to deal with the fallout of the situation in the pub before the gang heads off on a short trip to Izu, where they run into…

Immediately after deciding not to rely on pretend dating anymore, Kazuya is hit with a triple whammy of reveals: Chizuru not only goes to his college but lives next door…

Jilted and heartbroken, 20-year-old Kinoshita Kazuya turns to Diamond, a Rent-A-Girlfriend app that leads him to a fateful encounter with Mizuhara Chizuru, one of the talents on offer.

With desperation increasing, things become tense amongst the sisters as well as with Futaro. For their elective tour on the last day of the school trip, the quintuplets decide to…

Ichika, Nino and Itsuki plot ways to make a move on Futaro during the school trip. Yotsuba is troubled by their change in attitude

The quintuplets’ father tries to get Futaro’s classmate, Takeda, to take over as their tutor. They make a bet.

The quintuplets each find a job to help Ichika pay for the rent of their new place. They each settle into their new jobs and their new classmates.

Uesugi enlists the “real” Itsuki to help him discover who was impersonating her yesterday. After discovering a room full of Itsuki, he interrogates them one by one. Uesugi struggles to…

The quintuplet’s father attempts to convince Nino to come back with him, but Uesugi rides in to save the day and Nino makes a confession. The quintuplets then celebrate their…

Miku is desperately trying to learn how to make chocolates for Uesugi. Meanwhile, preparations for the Final exams are intensifying, but Uesugi decides its time for a study break.

Uesugi runs into the Quintuplets while out shopping. They invite him to visit their new home with an ulterior motive.

After discovering Yotsuba wants to quit the Track team but can’t tell her teammates, Uesugi disguises Itsuki to resign for her.

Nino lets a dejected Futaro into her hotel room. Futaro tells her about how he’d run into the girl he met in Kyoto five years prior.

There’s one week left to the term final. Futaro and the sisters are set on passing this time, but Nino and Miku can’t seem to get along.

Futaro is hospitalized for a while after falling sick at camp school. He returns to work tutoring the quintuplets, only to realize someone has fallen way behind.

It’s the last day of camp school. Itsuki is missing. Futaro thinks he knows where to find her, but he’s sick and shouldn’t be wandering in the snow.