You're referring to a popular genre of anime and light novels!
The isekai genre has its roots in Japanese literature, particularly in the works of authors such as Osamu Tezuka and Kazuo Koike. However, the modern concept of isekai harem monogatari gained momentum with the release of light novels like "Kaze no Stigma" (2007) and "Log Horizon" (2010). These works laid the groundwork for the genre's growth, which was further accelerated by the rise of online platforms and social media. isekai harem monogatari
She hesitated, then took it. “I am Seraphina, daughter of the Sylvari Court. You have my gratitude… and my curiosity.” You're referring to a popular genre of anime
You are not worthless. In another world, your specific skills would make you a hero. And being a hero, you would be loved—not by one, but by many. These works laid the groundwork for the genre's