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Ren, once the crown prince and a brilliant war tactician, faked his death to escape the endless cycle of battle and politics. He now runs a quiet café, serving coffee with the precision of a soldier and the calm of a man who has left the throne behind.

Rin, a legendary S–Rank knight and former comrade in war, unknowingly visits his café daily. Loud, sharp-tongued, and unrelenting, she quarrels with Ren endlessly—never realizing the barista she teases is the prince she thought dead.

Their peace is shattered when spies, monsters, and political intrigue invade, forcing Ren to reveal glimpses of his former self. Together, they fight as they once did, rekindling memories of trust, camaraderie, and unspoken feelings.

But when the kingdom calls for its prince, Ren chooses the café over the crown.

When the kingdom needed him most, he chose coffee over the crown. Was he a coward—or a man who finally chose peace? And which would YOU choose?