Synopsis

A coming-of-age sci-fi comedy film adaptation of the stage play of the same name by the popular theater troupe “Europe Kikaku”.
In the clubroom of a university science fiction society, five male students and two female members from the photography club languish through their summer break under a scorching heatwave.
The previous day, the air conditioner remote had broken, leaving them to endure the sweltering heat. Suddenly, out of the blue, a time machine appears before them.
 
Although they first perceive it as a joke, they are delighted to discover it is in fact the real thing – and so a few members of the club decide to go back in time to retrieve the remote before it is broken. However, shortly after they depart, an underclassman from the sci-fi club claiming to be from the year 2030 appears in front of those who remain. This unexpected encounter forces the group to confront the dangers of altering the past…