The trio then collaborated once more in 2015 with The Anthem of the Heart original anime film.
The trio first collaborated on the Toradora! anime in 2008, and reunited for the anohana original anime and films in 2011 and 2013.
The official website for Her Blue Sky (Sora no Aosa o Shiru Hito yo), the original anime film by the Super Peace Busters creative team, began streaming a trailer for the film on Friday.
Producers Hiroyuki Shimizu (anohana, The Anthem of the Heart) and Genki Kawamura (your name., Mirai) are producing the film.