Mitsuki Shirai is a shy girl, and lately, she's been plagued by nightmares and has started going to the school's counseling room.

Following the counselor's advice, she begins keeping a diary of her daily events and feelings.

Mitsuki slowly opens up, but then her dreams change.

Instead of nightmares, they become passionate and erotic.

When she wakes up, her body aches, and masturbation becomes a habit.
Despite having no experience, her desires only intensify...

[Edited from Getchu]