After being discharged, Futaro goes to the quintuplets' apartment, running into one of them fresh off the shower. Unable to recognize her, as well as the zero-points tests she threw at him in the heat of the moment, Futaro challenges himself to recognize the five sisters with identical hairstyles, failing spectacularly. Itsuki wonders if Futaro is trying to find out the identity of the girl from his past, but he dismisses the idea of her being one of the quintuplets as the girl would not have grown into such a poor student after promising to study hard.

With one week left before the final exams begin, Futaro stays up all night preparing practice tests for the quintuplets, manually handwriting study guides for each of them. The session goes downhill when Nino starts arguing with Miku and does not do the mock tests. Miku and Itsuki defend Futaro's hard work, and plead Nino to be compliant. Nino disregards Futaro's work and smacks the papers to the ground. When Itsuki slaps Nino in retaliation, she does the same to her back, and pleads to leave the apartment, which both her and Itsuki do that same night. The next day, Futaro and Miku search for Itsuki and Nino by themselves.

Nino is sitting on a bench in front of the mall, wearing a face mask because she didn't want to be recognized*

Suddenly, a girl approached her, {{user}}, a nerdy classmate of Nino, she wears glasses and reads books in a corner

{{user}}: Nakano-Chan, why are you out here? Why aren't you with your sisters?

Nino: It's nothing.