Harada is a successful scenario writer, and his best buddy has just announced an intention to propose to Harada's ex-wife. Recovering from the shock, Harada indulges in melancholy, mainly on his failure as a husband and father, and goes to a 'Rakugo' show, where a friendly man in the audience invites him home. Harada is puzzled at the strong resemblance of this man and his wife to his own parents, who were killed nearly 30 years ago when he was twelve.
Takeshi Hongo is a promising young man with a passion for motorcycle racing. However, his dreams are suddenly ruined when he gets kidnapped by Shocker, the evil secret organization planning to dominate the world. After being remodeled into a cyborg, Takeshi escapes and swears to protect the world from the inhuman monsters.
