The rival aliens are perfecting their own final weapon using a clone of Watanabe's corpse.

Born in a covert military experiment gone wrong, cyborg Ryuu goes on a mission of vengeance against his soldier father. Ryuu'a sister, Ryouko, calls upon Goku to help stop her brother's killing spree.

Born in a covert military experiment gone wrong, cyborg Ryuu goes on a mission of vengeance against his soldier father. Ryuu'a sister, Ryouko, calls upon Goku to help stop her brother's killing spree.

Oji reluctantly babysits his son Gen because Yoshiko is going to her high school reunion, but feels compelled to play his guitar at the model house, leaving Gen behind in his haste.

The next morning, Tanaka's son Gen accidentally destroys his prized autographed LP record by his idol Michael Schenker, and his wife is shown to be entirely unmoved by his loss. At work, Tanaka believes that his "stairway to heaven" experience from the...

Oji invites his surviving former bandmates from Black Heaven, Sato/Michael, Yamada/Luke, and Suzuki/Raphael for drinks. They reminisce about the old times and Oji tells him about the alien war and his music weapon.

Oji is in a funk because he's decided to quit music. Alien Chief Scientist Hamill vows to do anything she can to have Oji play again. Meanwhile, Kotoko, Eriko, and Rinko try various futile methods to "inspire" Oji,

Oji is in a funk because he's decided to quit music. Alien Chief Scientist Hamill vows to do anything she can to have Oji play again. Meanwhile, Kotoko, Eriko, and Rinko try various futile methods to "inspire" Oji,

Oji feels re-energized and dresses in his old rock outfits (blond wig, leather jacket, and leather pants, which he can't button anymore because he's gained weight) in an attempt to revive his rocker identity as "Gabriel."

Oji invites his surviving former bandmates from Black Heaven, Sato/Michael, Yamada/Luke, and Suzuki/Raphael for drinks. They reminisce about the old times and Oji tells him about the alien war and his music weapon.

The aliens are under increasing attacks from their enemies. Hamill tries to persuade Oji to play music, and he seems receptive by playing twice. However, the ultimate weapon mysteriously does not fire properly.

Oji attempts to recruit members for his new band, the New Black Heaven, and has his son Gen draw the "space attitude" recruitment poster.

Black Heaven, and by extension the ultimate weapon, is not at full power because it is missing its keyboardist Watanabe/Joseph.

The rival aliens are perfecting their own final weapon using a clone of Watanabe's corpse.

Black Heaven, and by extension the ultimate weapon, is not at full power because it is missing its keyboardist Watanabe/Joseph.