Review Detail of Tsukasa_ in Soul for a Girlfriend?

The story's good and all but I sometimes have a hard time envisioning the scenes. One of the main points of writing is imagery. If anything, it's the author's only problem. At some point in the story, I realized you can't handle making your readers feel the tension of a certain scene. I suggest being more descriptive, not too much as that'll be a bit creepy considering this is a first-person point of view.