Morumo 1/10 is a manga about the daily and loving life of a 52ft by Hiroshi Aro.
A strange flying spherical object impacts the island of Japan, inside the sphere is a girl with a human appearance, whom was adopted by a suburban family. With the progression of time, this girl grew abnormally until she reached a height 10 times what was considered average.
The girl is named Morumo, who must learn to socialize in a society around her, live like she was of regular height.
Periodically, she can become normal in part by a mad scientist's substance that shrinks her to a 10th. Regardless, her mass is preserved, which means her density is multiplied by a thousandfold.
Cover of the first chapter.
This is one of the first pages of manga. Here it is explained that Morumo is 10 times larger than it should normally have.
Going to school.
The extraterrestrial origin of Morumo and how it developed.
Morumo picking up her boyfriend.
As in most mangas, there are perverted scenes. In the case of Morumo 1/10, sometimes they can be explicit.
A mad scientist shrinks Morumo to...
...her tenth part,...
...therefore, Morumo thanks him for making her normal. But nevertheless...
...her mass (weight) was preserved, making it highly dense.
And of course! There is also the cliché of giant robots (mechas)!