One of the main features could be the character development of the sister. Starting as a gal - like character, she may grow and change throughout the story. There could be plotlines about her making friends, dealing with school bullies or social situations due to her appearance and style. And of course, the relationship with her brother or other family members would be a central part of the story, with their interactions evolving over time.
Another option is 'Oreimo'. It has a somewhat similar theme of exploring the relationship between siblings in a rather unique way. It delves into the life of the brother and sister duo, showing their daily interactions, misunderstandings, and the growth of their relationship over time.
Yes. The Tonikaku Kawaii manga has reached its conclusion. It might have left fans with mixed feelings, but it wrapped up the story in a way the author intended.
Hajimete no Gal manga doesn't feature nudity. It's more about the characters' growth and experiences in a teenage setting without crossing into that territory.
Sometimes, it's to challenge conventional notions of cuteness. By giving a cute face an untrustworthy aspect, it complicates the character and makes the story more interesting. It can also be a way to explore deeper themes of deception and appearance versus reality.