/jp/ - Otaku Culture

The darkness of the armpit is inherited, it is likely that the cause is genetic if parents and grandparents are hairy. Also, even if your parents are not hairy now, even if your parents are hairy at a young age, chances of being hereditary are high.

Ms. Saito Asuka has a half-female mother from Myanmar and her father is Japanese. Myanmar ladies have many beautiful styles and Asuka seem to inherit the beauty of her Myanmar mother. However, at the same time as inheriting the beauty of the mother, it may have inherited the darkness of the hair as well.

There are about 10% of male hormones in women, but the hormone balance may be disturbed, and the number of male hormones increases, and the hair may become darker. And, as a cause of disorder of hormonal balance, there are "disorder of eating habits" "sleep deprivation" "stress".

Saito Asuka is active not only in the idol but also in the model, it is an environment that is busy with disorder of eating habits, lack of sleep and stress. Therefore, the hormonal balance may be disturbed and the side armpits may have become darker. Perhaps she was too careful of side armpits and shaved too much, maybe the hair became dark. Besides, it becomes stronger due to damage from the outside due to strong sunlight and rubbing by clothes.