Futaba is raising her son alone after her husband suddenly vanished, leaving her unable to even get a formal divorce. Her days are a whirlwind of preparing meals, nursery drop-offs, and working the early shift. But there's a blank "5-hour" window after work before she has to pick up her son... In those hours, Futaba sheds her mask as a "mother" and becomes a "woman," pedaling her mom-bike at full speed over the hill to fuck Haruto, a student she met at her part-time job. She can't even wait until she gets to him, having quickies in the workplace restroom. Futaba was living her best life, feeling fulfilled as both a mother and a woman, until one day, Haruto tells her it's over...
