On March 1st, 1954, at 3:42 am, near the Bikini Atoll H-bomb area the Lucky Dragon 5# heard a roaring noise and saw a fireball for a few minutes in the dark. Then the crew began to suffer from the exposed fallouts. After this incident happened, "Perhaps we can..." became popular because of the fallout and the aftermath has caused various incidents to occur.

(This was the advertisement for the movie Daigo Fukuryu Maru on the 2005 Hiroshima Peace Film Festival)

The movie was included in the Hiroshime festival in order to remind people the capability of the nuclear weapon. That nuclear weapon causes suffering for human race and does not bring peace nor solve any peace problem.