Chitose Gamagori, also known as a ''meddlesome girl'' who always takes care of other people's love lives. One day, I was asked to take the place of my best friend Nagisa, and when I went to deliver a letter to Makita, the boy in the class next to me, he approached me, as if it were true!?

“Yes...no no! Nagisa is cuter!? I...that's impossible!!”

A romantic comedy about the sweet and sour youth of ''Nosy Best Friend Posi'' that suddenly begins!