Serina Kawano is a new teacher.
She is dating her student Naoya.
However, recently Naoya has come to force sadistic things when he loves each other.
Serina doesn’t understand Naoya’s feelings about doing that.
Does he really think of me?
Or …
On the other hand, her younger sister, Yumi, was worried because she didn’t understand the feelings of her boyfriend, Yuta.
I’ve been dating for three months, but I haven’t even kissed.
At one point, Serina and Yumi find out that they had the same trouble with their boyfriend.
And let’s confirm Yuta’s feelings for Yumi who has a positive personality! She is determined.
The octet Serina couldn’t get the courage …
Whereabouts of pure sisters’ love …?
