I'm not sure specifically what 'okaasan online novel' is about without more context. It could be a novel related to motherhood ('okaasan' means mother in Japanese) or it could be named that way for some other creative reason.
I'm not sure specifically what 'okaasan online light novel' is about as there could be many different stories within it. It might be about a mother - 'okaasan' in Japanese - in an online - related context, perhaps her experiences in the digital world, or it could be about a family with a mother figure in an online - centric plot. Maybe it involves online gaming, social media, or other virtual elements and how the mother or family is affected by them.
The unique character of the mother in 'kougeki no okaasan light novel' makes it special. She has her own charm and way of dealing with things that stands out.
You can try searching for it on major e - book platforms like Amazon Kindle, Barnes & Noble Nook, or Kobo. Sometimes, light novels are also available on official Japanese e - book stores. Additionally, you could check some dedicated light novel fan sites or forums where users might share information about where to find it.
One similar light novel could be 'Overlord'. It also has a unique world - building and interesting characters. Another one might be 'Sword Art Online', which shares some elements like adventure in a fictional world. And 'Log Horizon' is also a great choice as it has a deep exploration of the game - like world.
The art style is one of the things that make it stand out. It's visually appealing and helps bring the emotions and story to life. Also, the unexpected twists in the plot keep you on the edge of your seat.