At first glance, the main character is a quiet, ordinary office lady.
But in reality, she has all kinds of sexual desires.

After accidentally having sex with Yukihira, a junior at her company, the two
become sex friends. Their physical compatibility is so good that the main character, who is addicted to Yukihira's intense sex, is unable to end the relationship.

But one day, when she is invited out to dinner by another man and tells him that she had a great time and that they should end their sex friend relationship...

his attitude suddenly
changes to that of a super sadist. With endless toy torture, continuous orgasms, creampies, and pleasure, she almost loses consciousness.

As the main character is crushed in his arms, she learns his true feelings, but will she be able to