Another theme is hope. Despite the difficult circumstances, the characters often hold on to some form of hope, whether it's for a better future or for the discovery of something that can change their situation. This theme is interwoven with the survival aspect as hope can sometimes be what keeps them going. There are also themes of friendship and sacrifice. Characters form bonds and are sometimes willing to sacrifice themselves for the greater good of their friends or the remnants of humanity.
Some of the well - liked 'Worldend' light novels are those that explore deep character relationships. The characters are complex and their interactions add a lot to the overall appeal of the story. For example, the way they deal with the harsh world around them and their personal growth throughout the story is engaging.
A common caricature of a dentist might show them with a magnifying glass to examine teeth, and a bunch of shiny drills and pliers around them. The expression could be either serious and focused or comically panicked depending on the tone you want.
The characteristics of a cartoon-looking alien often include bright, out-of-this-world colors. They might have a friendly or mischievous expression and some kind of special power or gadget. Their design is all about catching the viewer's attention and being fun and memorable.
Honestly, 'cartoon ahwooga love eyes' is quite a strange phrase. It could potentially refer to a unique style of cartoon eyes that convey love, but without more context it's hard to say for sure.
One way is to look up unfamiliar English words in the manga and make notes. Also, try discussing the manga with English speakers to practice speaking. Another option is to write summaries or reviews in English about the manga you read to enhance your writing skills.