劇場版 あの日見た花の名前を僕達はまだ知らない。

The name of this movie is 劇場版 あの日見た花の名前を僕達はまだ知らない。 released in 2013-08-31 and it's main theme is A year has passed since Menma's ghostly return to the Super Peace Busters. Although the time they spent together during that summer was short, the five members reminisce about what happened as they each write a letter to their lost friend..