Again, all of life presents us with two basic ways to treat events. We can either label them "god for us" or "bad for us." The event is only an event. It's how we treat the event that determines what it becomes in our lives. The event doesn't make that determination- we do.
I think most readers would say the same. Most would choose Midori. And the protagonist, of course, chooses her in the end. But some part of him is always in the other world and he cannot abandon it. It’s a part of him, an essential part. All human beings have a sickness in their minds. That space is a part of them.
The truth always carries the ambiguity of the words used to express it.