i never thought i'd fall in love with my friend's mother, Natsuki. my heart races at Natsuki, who carelessly exudes her sex appeal. however, the other person is my friend's mother and is married. if it's a love that will never come true anyway, i just want to leave at least a beautiful memory. kawagoe secretly goes to observe her, trying to burn Natsuki's beauty into his eyes. but there, he touches Natsuki's unexpected secret.