The "New" wave is significantly darker and more sexually/emotionally mature. While the old harem was PG-13, the new wave is pushing R-rated territory regarding trauma, politics, and physical intimacy. Early leaks suggest that while manga adaptations will be explicit, the TV anime versions will likely be sanitized, pushing fans toward the Light Novels.
Searching for is currently the most rewarding rabbit hole in light novel literature. You will find stories about stock market manipulation, civil engineering, psychological warfare, and polyamorous consent. The trash has been vastly outnumbered by the treasure. isekai harem monogatari new
Start with The Logistics Lord and His Five Wives . If you don't like that, the genre isn't for you. If you do, you have about 500 hours of reading ahead of you. The "New" wave is significantly darker and more