Haruto Tsukishiro

A man who posesses the ability to freely traverse the dream world of women with the Sleeping Beauty Syndrome and is able to see a mysterious entity known as Lily, who is allegedly invisible to most. Over the course of the series, he often aids Kanzaki Katsumi's research into dreams.

In the final episode, he's revealed to have been in a coma for a prolonged period of time, following an accident.