Tsumugi, who works at a café, has a regular customer who interested her. She is a woman who seems to be an office worker, who orders a cup of bitter black coffee every day.

One day, Tsumugi thought to herself, "If I drink that much caffeine every day, it wouldn't be good for my health..."

(Source: Melon Books, translated)

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• Ayu Inui — Story & Art