During his son's new school year, Yoshino will be attending a gathering as a PTA officer.There she meets Mari-chan's mom, Ayano.The two of them were appointed as officers by chance.Yoshino is instantly attracted to the friendly and elegant Ayano.However, that was just a temporary appearance, and Ayano's true nature was a sinful woman who loved other people's things (her husband).One day, while working in the sports warehouse, they start talking about love.Ayano, who is nostalgic for her youth, makes an obscene suggestion to Yoshino, ``Why don't we kiss here?''Yoshino tries not to make fun of her, but Ayano forcibly captures her lips.From that day on, until her son graduates, she indulges in intense PTA meetings with Ayano for one year.
