[2] In Japan, the manga began serialization in the December 1990 issue of the Shueisha magazine Monthly Shōnen Jump.

Futaba-kun Change was licensed by Studio Ironcat in the United States, but as the company went out of business their release is also out of print.

The general status quo of the storyline, tone and atmosphere is maintained until volume 6, at which point Misaki discovers Futaba's secret.

Futaba, Misaki and Kurin are taken by aliens that explain that the Shimeru family are not merely bizarrely mutated but descendants of a space crash 12 to 13 thousand years ago.

Eight years have passed, all their friends and family have happy lives (Motomura and Nigiri have gotten married and Futana is a celebrity playboy), the Shimeru clan have spread throughout the world, and their condition is now widely known and accepted.