Well, there are a few ways. One is to select the Shape Builder Tool and combine two semi-circles. Another is to use the Pathfinder panel to merge shapes. It depends on your specific needs.
The cultural background and influences are a key difference. Manhwa reflects Korean culture and values, which gives it a distinct flavor. The way panels are composed and the use of color could also set manhwa apart from others.
Manhwa often has a unique art style and storytelling approach that sets it apart. The themes and character development might vary, giving it a distinct taste compared to others.
Por manhwa typically showcases more diverse and contemporary themes. The art may be more influenced by Korean aesthetics. In terms of story construction, it might focus on certain elements that are not as prominent in other comic forms.
One main cause is lack of sleep. When you don't get enough rest, your blood vessels under the eyes can become more visible, creating the appearance of dark circles. Another factor could be genetics. Some people are just more prone to having darker pigmentation around their eyes. Also, allergies can play a role. Constant rubbing of itchy eyes due to allergies can lead to inflammation and dark circles.
You can try getting more sleep. Adequate sleep helps your body to recover and can reduce the appearance of dark circles. Using cold compresses can also be effective. Just put a cold, damp cloth on your eyes for a few minutes. It can constrict blood vessels and lessen the darkness.