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.
Episode 1
Uesugi Fuutarou lands a tutoring job that promises five times the normal pay. As it turns out, it’s going to take more than five times the work.
Episode 2
Futaro proposes an exam to settle the debate of whether or not the quintuplets need a tutor.
Episode 3
Nino isn't happy that Futaro is beginning to get along with her sisters, so she takes matters into her own hands.
Episode 4
Futaro receives his first pay, and decides to take Raiha to the arcade, where she’s always wanted to go.
Episode 5
The fireworks have started, but the girls are still split up. Ichika wanders off on her own, and Futaro goes after her.
Episode 6
The midterm exams are coming up, and the girls' father set Futaro up to a seemingly impossible task.
Episode 7
Futaro spent the night at the quintuplets' apartment. He wakes up to an unexpected situation.
Episode 8
Futaro falls ill after Miku feeds him a hefty serving of croquettes. Nino makes the situation even worse than it needs to be.
Episode 9
School is abuzz about the camp school trip coming up. Meanwhile, Raiha catches the flu.
Episode 10
Futaro and the girls arrive at camp school. His outfit for the test of courage causes more than just a scare for Nino.
Episode 11
Ichika and Futaro get locked in the storage shed. The others are concerned about their absence, but not necessarily for the same reasons.
Episode 12
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.
