After the death of her husband, Maki has raised her only son, Shuichi, with her own hands. However, due to his financial fortunage, Shuichi, who was too spoiled, could do whatever he wanted and begged his classmate Hajime. When Maki learns of this, she goes to apologize ... Hajime, who had no intention of forgiving from the beginning, took advantage of the fact that he couldn't resist, so he overran her body. - And without knowing anything, Shuichi who gets on the condition is cornered on the contrary and pressed, "Lend me your mother."