It's fiction. Kensuke's Kingdom takes you into a fictional world crafted by the author's creativity. There's no real-life basis for the story or its elements.
Perhaps. The Evangelion fandom is known for its active participation in creating and consuming fan works. 'evangelion the one i love is fanfiction' could be popular if it manages to resonate with the fans' emotions and expectations. For example, if it delves deep into the complex psychological aspects of the characters, similar to the original series, it might gain a following. Also, if it provides a fresh perspective on the love stories within the Evangelion universe, it could attract a lot of readers.
Indeed, 'Kensuke's Kingdom' is based on a real story. The author uses his personal experiences to create a vivid and believable world. He might have met someone like Kensuke in his travels, or perhaps experienced the feeling of being in a strange and unknown place himself. This real - life basis helps the readers to connect with the story on a deeper level, as they can imagine that such things could really occur.