Shiiko is a serious and efficient worker, but it has been a long since she was last in love. After spending a frustrating night at work, she has sex with a younger man. I didn't even know I was going to see him again the next day at work...! In the kitchenette, in the conference room... that cheeky dog won't let go of me! Our secret meetings are far from over! It's the start of a sweet and naughty overtime work with the younger one. 真面目で効率的な仕事ぶり、でも恋愛はご無沙汰で、セカンドヴァージンの椎子さん。 仕事でムシャクシャした夜、年下の男の子と、初めてしびれるようなHを味わう。 翌日会社で再会するとも知らずに――!! 給湯室で、会議室で…生意気わんこが私を離してくれない！ ナイショの打ち合わせはまだまだ終わらない！ 年下わんことの甘くてエッチな残業、スタートです