Hibiki, 28 years old, was dumped by her boyfriend she'd been going out with for five years, but Yusa, her junior at the office makes a fierce move on her saying that he had his sights on her for a long time. He's usually cute, but he's sexually aggressive between the sheets. Start the secret office romance with a wicked handsome junior.

5年つき合っていた彼氏にフラれた響（28歳）。落ち込んでいたところ、会社の後輩・遊佐くんから「俺はずっと狙ってたんですけど」と猛アタックされて×××！？　普段はカワイイ遊佐くんだけど、ベッドの上では肉食系！　後輩腹黒イケメンと秘密のオフィスラブ、スタートです☆