In a quiet corner of Kiyomizu-dori in Kyoto stands 'Tsukinosuke,' a hundred-year-old traditional wagashi (Japanese confectionery) shop teetering on the edge of closure. With only a handful of customers per month and rent arrears piling up, the arrival of Tsukimi Kusa—the founder's granddaughter returning from a Tokyo IT company—brings an unconventional solution: social media marketing to revive the dying shop. Her grandfather, the 90-year-old patriarch, opposes her fiercely. "Wagashi must be ex