I would recommend 'High School DxD'. It has a good balance of action, comedy, and romance. The harem aspect is introduced gradually, and the main character's growth throughout the story is interesting. Also, the world - building is not too complex for beginners. 'Nisekoi' is also a good start. It has a familiar setup of a fake relationship that leads to a more complex web of relationships with multiple girls. The art style and story - telling are both appealing.
For beginners, 'The World God Only Knows' can be a great start. It has a unique premise where the main character uses his dating sim skills in the real world. The female characters are distinct, and the story has a good mix of humor and drama. 'Zero no Tsukaima' is also a good option. It's a classic harem novel with a simple story structure. The relationship between the main characters is at the heart of the story, and the harem aspect builds up as the story progresses.
For beginners, 'Sword Art Online: Progressive' has a bit of a harem feel. The main character Kirito has a few female characters who are important to him. It's a great starting point as it has a well - known universe and the relationships are not overly complex at first.
For beginners, 'Coiling Dragon' is a great choice. It has a relatively easy - to - follow plot in terms of the cultivation system. The harem aspect is also well - developed with interesting female characters. The story gradually unfolds the world of cultivation and the relationships.
For beginners, 'Martial World' is a good choice. It has a relatively straightforward plot in the wuxia genre and a harem that is not too complicated. It focuses on the growth of the protagonist in martial arts and his relationships with different female characters. The descriptions of martial arts battles are exciting and easy to follow.
Another one is 'Harem Quest'. It has a light - hearted tone which makes it very accessible for beginners. It doesn't have overly complicated storylines and the harem elements are introduced in a fun way.
I'd recommend 'Kanon'. It tells the story of Yuuichi Aizawa who returns to his hometown and meets several girls. The relationships that develop between him and these girls are what give it the harem - like feel. It has a very nostalgic and emotional tone. Also, 'Air' has a similar setup where the main character has interactions with multiple female characters that create a sort of harem - like atmosphere. It's a story full of mystery and emotion.
For beginners, 'The Selection' is a great start. It's easy to read and the reverse harem concept is presented in a really interesting way. You get to see the main character, America, interact with a bunch of princes and the whole process of her choosing is quite engaging.
'Rosario + Vampire' is also a good choice. It's about a boy who attends a school for monsters. There are many female characters who form a harem around him and there are some ecchi scenes here and there. The story has elements of action, horror, and romance which makes it diverse and appealing to those new to ecchi harem light novels.
'Oreimo' is also a good choice. It mainly focuses on the relationship between a brother and his sister, but there are harem - like situations involving other female characters around the brother. It's a more slice - of - life type of light novel with some comical and heartwarming moments.
Sure. 'Doki Doki Literature Club!' is a good start. It has a unique take on the harem concept with interesting characters. However, note that it does have some disturbing elements later on, so approach it with caution. But overall, it gives a good introduction to the visual novel format and harem - like relationships.
For beginners, 'Battle Through the Heavens' can be a start. The protagonist Xiao Yan's journey in the wuxia world is full of challenges. Along the way, he meets different female characters, and their relationships are part of the story. The novel's popularity also means there are a lot of resources available for beginners to understand the harem wuxia genre better.