Kunio Murai, a student in the 3rd grade and 4th class, lives with his mother. Moreover, her mother "Juria" is a beautiful woman, and she is still in her twenties. 　One day, when Murai heard from the girls in the class that "I saw Onizuka and Murai's mother together," Murai became anxious about Juria's behavior when she went out in a fashion that she wouldn't normally do, and secretly. Follow me.

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