Dr. Slump: Dr. Mashirito and Abale-chan

Dr. Mashirito and Abale-chan centers around Dr. Mashirito Jr. and his creation Abale, who serves as a rebellious opposite of the protagonist Arale. Many years after the end of Dr. Slump, Dr. Mashirito Jr. returns to avenge his father Dr. Mashirito, the sworn enemy of Senbei Norimaki.