"We're having a love like a bouquet of flowers," says Mana Sakura, a single woman in her late twenties living in Tokyo. After a chance encounter, she starts dating Takumi, and weekend dates become her greatest joy. Their semi-cohabitation life reaches its peak of happiness, but as time passes, she begins to feel a disconnect in their values due to their age difference. "I'm not in a rush to get married, but..."