Rie has been going through tough days filled with housework, childcare, and part-time jobs while her husband is away on business trips. Recently, she became close friends with a student named Tou at her part-time job... Since then, they have started an affair during his free time despite their busy schedules. They indulge in passionate infidelity whenever they can find the opportunity, losing themselves in intense pleasure within the limited time they have together. As their encounters become more frequent, Rie finds herself craving young men's cocks all day long, becoming increasingly wet and eager for them...

夫が出張中で、家事、育児、パートと退屈な日々を繰り返す礼子。最近はパート先で時間が被る学生の東と仲良くなり…。夫不在をいいことに、時間限定の不倫関係を受け入れてしまうのだった。以来、仕事の合間を縫って所かまわず濃密な不貞を繰り返す2人。限られた時間の中で濃密な快楽に溺れ、激しく乱れる礼子の肉体。いつしか四六時中疼きを覚え、若い男の肉棒を求めて熱く濡れ続けるようになり…。