To celebrate its 10th anniversary, the anime Anohana: The Flower We Saw That Day had a new project announced. According to the official website , details will arrive soon for fans of the anime.
Additionally, we have a new promotional image:

Synopsis:
The story of friendship involving six friends: Jinta, Meiko, Naruko, Atsumu, Tetsudou and Chiriko. When they were still children, one day while playing, Menma, as she was affectionately called Meiko by the class, ended up suffering a fatal accident.
So after the incident and full of guilt, little by little the five friends separated and each one moved on with their lives.
Finally, AnoHana debuted in April 2011, earning a novel in the same year. After that, a manga was made by Jump Square , from publisher Shueisha.