"Highschool DxD" is the first season of the anime series, while "Highschool DxD Born" is the third season. The main difference between the two is that "Highschool DxD Born" continues the story from where the first season left off, introducing new characters and plot developments. Additionally, "Highschool DxD Born" delves deeper into the supernatural world and the conflicts surrounding the protagonist, Issei Hyoudou. **

No, Highschool DxD is not finished. The light novel series, written by Ichiei Ishibumi and illustrated by Miyama-Zero, is still ongoing with new volumes being released. The anime adaptation of the series has also seen multiple seasons and OVAs, with the possibility of more in the future. So, fans can look forward to more content from the Highschool DxD series. **

Highschool DxD continues with the protagonist, Issei Hyoudou, continuing to navigate the world of angels, demons, and fallen angels as a member of the Occult Research Club. The series delves deeper into the conflicts and power struggles between the different factions, while also exploring Issei's growth as a character and his relationships with the various female characters. The story also continues to feature intense battles, comedic moments, and fan service, maintaining the blend of action, romance, and ecchi elements that the series is known for. **

Highschool DxD ends with the main character, Issei Hyoudou, continuing to grow stronger and facing various challenges as a devil. The series concludes with Issei becoming a powerful and respected figure in the demon world, and he ultimately achieves his goal of becoming a Harem King. The final scenes show Issei and his friends continuing their adventures and facing new enemies together. **

Whether or not you should watch Highschool DxD depends on your personal preferences. If you enjoy ecchi anime with a mix of action, comedy, and supernatural elements, then you may find Highschool DxD entertaining. However, if you are not a fan of fan service or suggestive content, you may want to skip this series. Ultimately, it's best to read reviews or watch a few episodes to see if it aligns with your tastes. **

Whether or not it is worth watching Highschool DxD depends on your personal preferences. If you enjoy ecchi anime with a mix of action, comedy, and supernatural elements, then you may find Highschool DxD entertaining. However, if you are not a fan of fan service or suggestive content, then this anime may not be for you. Ultimately, it is up to your individual tastes and comfort level with the content. **

The correct way to write "high school" is as two separate words. "High school" refers to a secondary school attended by teenagers, where they typically receive education between the ages of 14 and 18. It is important to use the correct spelling to ensure clear communication and proper grammar. **

It's important to remember that everyone has different tastes and preferences when it comes to entertainment. Highschool DxD is an anime that contains mature themes and content, so it's understandable if some people may not feel comfortable with it. However, as long as your friend is watching it responsibly and it's not negatively impacting their behavior or beliefs, then it's ultimately their choice to watch it. It's important to have open and respectful conversations with your friend about their interests and to understand their perspective. **