Arata Yoshida, a twenty-eight year old man who runs a cafe in a shibuya districk near the 'A' university . Arata has always been mistaken for a handsome widower by customers, because eldest daughter of his older sister who lived with him for several years and always called him 'Papa'. In reality, Arata is just a handsome and well-established man with a single status who is waiting for the presence of someone destined for him. Hoping to live happily with his little family, as his older sister has felt.