The 'isekai de tada hitori light novel' could potentially be about a solitary adventure in an isekai world. It might follow the journey of a character who finds themselves alone in a strange new world, perhaps facing various challenges, making new discoveries, and growing as a person while dealing with their solitude.
I don't have information about the author of this 'isekai de tada hitori light novel' at hand. You may need to search for it in specialized light novel databases or websites.
Sure, 'Tada Kun Never Falls in Love' has a manga. The manga often provides more detailed character development and plotlines compared to the anime adaptation.
I'm not sure specifically as I haven't read this light novel. But generally, 'koi' means love in Japanese. It might be about a love story that has something to do with twins ('futago'), like perhaps a love triangle involving twins that can't be separated ('warikirenai').
I'm not entirely sure as I haven't specifically experienced 'Tada' in full. But generally, in a story's ending, it could be a happy one where the main character achieves their goal, like getting their dream job or finding true love. It might also be a bittersweet ending, with some sacrifices made for a greater good.
The 'yuuki yuuna wa yuusha de aru visual novel' mainly focuses on the story of some brave girls. These girls are ordinary at first but are gradually drawn into a heroic journey. They experience a lot, like fighting against mysterious enemies, and at the same time, their friendship is deepened during these processes.
One characteristic is the isekai setting. The protagonist is transported from their normal world to a different, often magical world. Another is the use of magic. The characters usually have to learn to control and use magic in various ways to progress in the story.
The 'yuuki yuuna wa yuusha de aru light novel' could be centered around Yuuki Yuuna's journey as a hero. It may include her initial discovery of her heroic abilities. Maybe she starts off as an ordinary girl and then something extraordinary happens that thrusts her into the role of a hero. The story could also involve her moral dilemmas as she makes decisions in the face of danger. There might be a cast of supporting characters that either help or hinder her along the way, and the plot might unfold through different arcs that show her development both as a person and as a hero.