Often, light novels in the Japanese market touch on cultural themes as well. This might include concepts like respect for elders, which could be related to the 'onii chan' in the title. Additionally, if there are any magical or supernatural elements in the story, themes of good versus evil or the balance of power in such a world could be present.
Well, 'Konosuba' is also a great light novel. It's a comical take on the isekai genre. The characters are all misfits and their adventures in the new world are full of hilarity. These light novels, although different from the one you mentioned, might be something you'd enjoy if you like the general idea of light novels.
You can try looking for it on popular e - book platforms like Amazon Kindle or Barnes & Noble Nook. They usually have a wide selection of light novels.
Since I'm not familiar with that particular light novel, it's hard to give an exact similar one. However, if it's a slice - of - life or romantic light novel, you might like 'Toradora!'. It has a great story about relationships and character development. Another option could be 'Kaguya - sama: Love is War' which is also about the relationship between two main characters in a unique and comical way.
Well, teddy bear eyes in cartoons are usually drawn with a lot of emphasis on making them look friendly and charming. They might have big pupils, long eyelashes, and maybe even a little sparkle to add that magic touch.
An alien girl in cartoons might have unique skin colors, like purple or green. She could also have strange powers or abilities, like telekinesis or the power to fly.