Muchi no Ongaeshi

A young man named Keita finds himself in a difficult situation when his childhood friend, Saki, suddenly appears at his doorstep. Having lost her job and apartment, Saki asks to stay with him temporarily. Keita, who has harbored feelings for her for years, agrees to help her out of kindness. As they begin living together, their relationship takes an unexpected turn when Saki decides to repay his generosity in a way he never anticipated.

Keita's innocent act of kindness spirals into a passionate and intense encounter that blurs the lines between gratitude and desire. Saki's repayment becomes more than just a simple favor, leading both of them into a world of physical and emotional entanglement. As their arrangement continues, they must confront the consequences of their actions and the true nature of their feelings for each other.