Yojohan Time Machine Blues
四畳半タイムマシンブルース
The protagonist's trouble-making friend Ozu gets the student apartments' only air conditioner remote control wet, breaking it on a certain midsummer day. The students wonder what to do about the situation for the remainder of the summer and make a plan with Akashi. An unstylish male student from 25 years in the future arrives in a time machine. The protagonist travels back in time to try to retrieve the remote control before it is broken.