As those around him begin thinking seriously about their future, Taichi feels lost. A chance meeting with Seishiro Sai shakes his destiny.

Kohei grows worried about the sleep-deprived Taichi, who’s started a part-time job at a sign language service company. But Taichi’s momentum won’t stop now that he’s found his passion.

After discovering the meaning behind Kohei’s sign language message when they parted, Taichi spends the summer unable to express his own feelings. One day, the two meet again by chance at the summer festival…