Taichi Kurosu attended Gunsei Gakuin and belonged to the broadcasting club.

The friends who used to be united are disjointed, and even when the new semester begins, only one person is properly participating in club activities.

If you go to the rooftop, the director, Misato Miyasumi, is assembling a large broadcasting antenna. It was a "club activity" for the broadcasting club during the summer vacation, and the challenge was to complete it and broadcast it on the radio.

Previously everyone was involved. Last summer when everyone was united.

Various conflicts occur. And reconciliation. The hearts of the separated members gradually snuggle up to each other.

And the transmitter is completed--
The device carries a message for the world--