Beware of the Mischievous Cat

Toshiya agrees to take care of Tetsu, the son of his beloved Kobayashi-sensei. However, Tetsu is a free-spirited young man who delights in perverted antics, teasing, and sexual harassment, putting Toshiya's virtue and patience to the test.

Meanwhile, Toshiya's manager from work begins to grow closer to him, though with ulterior motives. As the manager and Tetsu both pursue Toshiya, a violent love triangle erupts, leading to an extremely erotic and chaotic story.