Hiroshi is ordered to investigate the radioactive contamination spreading in Yoshida Bay, but he refuses to go out saying that the chores are not his job. Uzuki, who had no choice but to visit the site alone, found a mysterious rock that is the source of pollution. As soon as she approached to collect it, she fell ill exposed to radiation. Hiroshi was forced to fight the Haniwa phantom Tsubute who appeared in front of the Big Shooter.