Fumiko is an educated mother who is desperate to have her beloved only son walk the elite course in the future. She has hired many famous private tutors, but nothing has really worked... Today, a private tutor whose reputation has spread by word of mouth is scheduled to come, but will this turn out to be a blessing or a curse? The moment she opens the front door with a mixture of hope and anxiety, Fumiko is struck by lightning. (Oh my, my! What a handsome man, just my type!) From that day on, Fumiko's plan to seduce the handsome man behind the scenes of her son's elite education began...