The publication of the manga Her Blue Sky ; the manga was an adaptation of the film of the same name.
Plot
The story deals somewhat with time travel. Set in a mountain town, the film follows Aoi Aioi, Akane Aioi, Shinnosuke Kanomura (Akane's ex-boyfriend), and Shinno (Shinnosuke 13 years in the past who traveled from the past to the present). Thirteen years was also when the Aioi sisters' parents died in an accident.
The film Her Blue Sky premiered in Japan in October 2019.
The manga launched in Comic Newtype in July 2019.