Heybot buys a mysterious screw seed off a mysterious woman. But although he and Nejiru put a lot of love into raising it, it ends up growing into one flat tree! Enlisting the help of the ninja Naganagamaru and his Stretchy-Stretchy screw, they manage to get the screw to grow... and grow... and it won't stop growing until it reaches the moon!
HeyBot is Born With a Hey-Boom!
Screw-Ya Versus VocaReemans!
Scary-Scary! It's My First Scary Story!
The Art of the Bonehead! How to Raise a Screw Tree!
Hey, Heybot's Missing, Y'know!
Rushing Out! The VocaBattle Race!
Heybot Makes More With a Sneeze!
Decisive Battle! Huffy-Huffy Island!
Heybot Becomes a Baby!
Saturn is Hell!
Mystery! The Cursed Screw Island
Heybot's You-Know-What is Swollen