I'm sorry for the teacher (Volume 1 is the latest issue)

Publisher: Futabasha
Author: Kurosawa R
Size: 128mm x 182mm
Number of books: 1
Language: Japanese
Category: Youth manga, manga
Latest publication date: 2017-02-21

Synopsis:
A young couple, Yuzu and Kiyoshi, and the sequelae of the accident, the family of Kiyoshi's father, Toruichi, has moved to a country in the countryside.
When trying to clean the attic, there is a sign of people. There, a boy named firefly was living alone.
What is the true identity of a mysterious boy!? And what is the shocking past between Yuzu and Paland!?