Doctor Reina Oshikiri has a unique fetish—she can only love one person, and that person is nurse Mao Nagase. Every night, consumed by obsessive desire, Reina indulges in extreme masturbation fantasizing about Mao. Unable to suppress her forbidden passion any longer, Reina finally decides to sedate Mao into unconsciousness. That night, Reina touches Mao's sleeping body, enveloping herself in sweet, illicit pleasure. Even in her dreams, Mao senses Reina's presence, awakening to a new, forbidden world.