Giri no ane: Ikenai hatsujô

Original title: 義理の姉 いけない発情

Shingo, a company employee, was reminded of his college days when he saw a *senryu* poem that had fallen down during an earthquake. Back then, he had started living with his girlfriend, Eri, and the two had visited a shrine to pledge their future together; while there, they had righted a *dosojin* (roadside deity) statue that had been leaning over. A few days later, after a fight with Shingo, Eri stormed out of their apartment and turned to Yokoyama, a senior from their hometown for help. Eventually, Eri intended to return to Shingo, but Yokoyama confessed his love for her and forced himself upon her...