This was a very unusual story and my opinions on it varied far and wide as I read it.
I think the best word to describe the first part of the book when the characters are stranded on the island would be disturbing. Yuichi’s physicial attraction to Imakura was gobsmacking. I couldn’t honestly understand how Yuichi was turned on by Imakura when he kept saying he was fat, wrinkled, had a quadruple chin and a thumb sized penis. There was absolutely nothing sexy about him and it made no sense.
Yuichi is described as hardworking and having a cool, calm façade, yet he is also very manipulative. He coerces Imakura into having sex with him under the pretense of introducing him to sex so he will be able to have it with a woman, and poor Imakura falls for it. For his part, Imakura was awful at the beginning. He was selfish, conceited, and whiny, yet I found myself liking him as the novel wore on, even if I did think that the change in his personality came along a little too fast. In terms of believability, the story would have benefitted from an actual explanation of his attitude and a more gradual change for the better.
Once they were rescued from the island, things completely changed. The characters owned up to their feelings, even if it was a bit of rocky ride. I really enjoyed reading the story from Imakura’s POV. Once he discovers that the pharmaceutical company he and Yuichi had been working at had gone bankrupt, he decides to pursue his dream of becoming a sommelier and enters into training. The second half of the book allows us to see that he really is a different person, to the point where I couldn’t reconcile his personality to that of the island. It was hard to believe that this was, indeed, the same person who hoarded chocolate and stomped on carrots. This part, where we get to see them in love and in the real world was what really did it for me and when their story reached its end I found myself wishing that there had been more pages to read.
I think that at the end of the day, Imakura and Yuichi were true soulmates and that is what allowed them to fall in love under the most unusual of circumstances, proven by the fact that not even Ikamura's personality or appareance or even Yuichi's beliefs of what his ideal partner should be like were an obstacle.