The main themes in 'ore twintails ni narimasu light novel' are likely to include self - acceptance. The character has to come to terms with their new state of having twintails. There could also be a theme of adaptation, as they need to adapt to the new situation this transformation brings. Additionally, friendship or relationships might be a theme, as they interact with others in their new form, and how those relationships are affected by the change is an important aspect of the story.
Well, from what I know, identity is a big theme. The protagonist's change to having twintails is not just a physical change but also affects their sense of identity. Also, the theme of acceptance might be there. Accepting this new form and the consequences that come with it in the story world. And there's probably a theme of humor as well, given the rather unique concept of the light novel.
One similar light novel could be 'KonoSuba: God's Blessing on this Wonderful World!'. It also has a unique and comical story with interesting characters in a fantasy setting. Another option is 'Overlord'. It shares the aspect of having a protagonist in a different kind of world with their own special abilities and circumstances.
Well, it might have unique characters. Maybe the storylines are centered around the concept of a guy becoming a twintail, which can lead to some really interesting and comical situations.
The main difference lies in its central theme. The focus on twintail transformation is not very common in light novels. It sets it apart right away.
The light novel might have engaging characters. They could be well - developed with distinct personalities. For example, the protagonist's journey of becoming a twintail might involve interacting with other characters who either support or oppose this transformation, creating various story arcs.
One could be 'Himegoto'. It also has some unique and comical elements in its story.
I'm not sure specifically as I haven't read it. It could be about a journey towards happiness, with characters experiencing various events that lead them to find their own form of happiness.
I'm sorry, I haven't read this light novel specifically, so I can't give you the exact plot. But generally, light novels often involve themes like adventure, self - discovery, and relationships.
Friendship could also be a theme. The protagonist may have friends who play important roles in his life and relationship. Their support or interference can add depth to the story. Additionally, self - discovery might be a theme. Through his relationship with his girlfriend, the main character may learn more about himself, his desires, and his values.
I'm sorry, I don't know the specific main characters in this light novel as I haven't read it.
I'm not entirely sure as I haven't read it specifically. But generally, 'isekai' often involves a character being transported to another world, and 'onsen' is a hot spring. Maybe it's about a protagonist who is reborn in an onsen - related other world and his adventures in that world as a light novel story.