Having grown up most of his life without his own father, Mizuki wants nothing to do with surrogate fatherhood. Unfortunately, stuck without a way out of Neverland, he has little choice but to stay. As he spends time with Air, however, Mizuki is gradually charmed by his boyish innocence, and the two fall in love. In the end, Mizuki decides to return to the real world to reunite with his estranged father, but tells Air that he will always leave the window open for him.

    Falling in-love, Ito gets frustrated over the fact that they only get to rendezvous on the white line and suddenly kisses Nishi. From high school, college and then to adulthood, a deeply moving work depicting the lives of two men who are madly in love with unchanging feelings within changing realities.