For this holiday, Karui returns to his hometown from Tokyo for a week. There, he reunites with his childhood friend Amatsuka, now married and seemingly happy. Five years have passed, after all. Amatsuka spots Karui and wants to catch up after so long. They head to Karui’s place, reminiscing about old times and her family life. Her husband, always busy with work, neglects her, leaving her lonely. Since he’s away tonight, she invites Karui to drink. After a bit, Karui feels his body heat up, losing control. He ravishes Amatsuka! Turns out, she spiked his drink with a legendary village aphrodisiac Karui had heard of but didn’t believe existed. Addicted to it, he keeps seeking her out, craving the drug and the pleasure she gives. Unbeknownst to him, her husband knows everything—she did it to trap Karui, ensuring he stays in the village to work for her husband’s company...