Can you recommend some similar light novels like 'boku no kanojo sensei light novel'?

One similar novel could be 'Kimi no Na wa' which also has themes of unique relationships. It's a very popular novel with a beautiful story.

One of the main themes could be the exploration of power dynamics within relationships. Given that one is a teacher and the other a student, there are power imbalances that come into play. Also, self - discovery might be a theme as the characters navigate this unorthodox relationship and how it affects their understanding of themselves. Another possible theme is the idea of breaking social norms and the consequences that follow.

One similar light novel could be 'Oreimo'. It also delves into the relationship between siblings and has elements of otaku culture. Another option might be 'My Youth Romantic Comedy Is Wrong, As I Expected' which has interesting character dynamics and a touch of slice - of - life elements like 'eromanga sensei tomoe light novel'.

One similar light novel could be 'Toradora!'. It also focuses on complex relationships among students, with a touch of romance and slice - of - life elements.

One could be 'Oregairu' which also delves into complex relationships in a school and social setting. Another might be 'Toradora!', as it has elements of relationship development between a boy and a girl.

One similar light novel could be 'Toradora!'. It also involves complex relationships between the main character, a girl he has a relationship with and other friends. The story is full of humorous and heart - warming moments.

There's also 'The Rising of the Shield Hero'. It has a story that unfolds in an interesting fantasy world, much like 'ero sensei light novel' might be set in an engaging fictional world. The character development in 'Shield Hero' is also something that could be comparable, with the main character evolving over the course of the story in response to various challenges, similar to what could potentially be in 'ero sensei light novel'.

One similar light novel could be 'DanMachi'. It also has a dungeon - exploration theme with interesting characters and an engaging story. The main character goes on adventures in a dungeon - filled world, much like in 'boku no heya ga dungeon light novel'.

The theme of growth might be present. As the relationship progresses, the characters may grow and change. Also, the theme of society's views on such relationships could be explored, as it's not a common relationship type in society.

Another one is 'Re:Zero kara Hajimeru Isekai Seikatsu'. It has elements of character development and complex relationships like 'boku no tomodachi light novel'. The main character's journey through different situations and how it affects his relationships is a common point.