From Stiletto Heels:

Nichika had a one-night-stand for the first time in her life. A life that consists of indifferent parents, friends who she can't shed her true feelings to ("because it's tedious"), and her belief that she's destined for Freeterdom. However, on a day when her dreams of that morning walk home have faded into reality, she once again meets the man she thought she would never see again...