The story features two people who experience their first love late in life. Maruya Kosuke is a 29-year-old employee in the sales department of his family's brewery. Thanks to his good looks he was always popular, receiving many love confessions from women since his youth. However, he experiences a rude awakening the moment he realizes his cuteness has an expiry date. Sanada Izumi is a researcher at the brewery. Past experiences have led her to believe she is inferior to others.