【Yuki Iwasaki】The feeling of not knowing

Can you recognize when the sex you’re used to with your boyfriend turns into something you don’t know? Chiaki, a college student, turns 20 and invites her friends and boyfriend to her house for a birthday party. After everyone else has gone to bed, Chiaki and her boyfriend enjoy the thrill of each other’s company, even though her friend is sleeping nearby. As she is drowning in pleasure, she begins to question her boyfriend’s sex, which is more forceful and rough than usual…? Fear and climax lurk in everyday life… Don’t take your eyes off this story until the end…! Experience the new sense of horror erotica by the genius Yuki Iwasaki!