Summeri and her daughter Hitomi were at their wits' end after losing Summeri's husband to illness. The one who saved them was Koiji, the younger brother of the late husband. After Hitomi consulted him, he hired Hitomi's unemployed husband at a local store and let the remaining Summeri and Hitomi live in his house with many vacant rooms. He had been asked by his elder brother before his death, but he had long harbored feelings for Summeri and planned to make both her and Hitomi, who had become another man's wife, his own. A few days later, Koiji started his plan, and the two were unable to resist...
