In the ancient and charming Kyoto, a wonderful love journey is unfolding. In spring, the black-haired girl embarks on a night trip to find fake electric brandy, but the senior is knocked unconscious by a koi carp that falls from the sky; in summer, the girl looks for her beloved childhood picture book in the second-hand book market, while the senior faces a cruel hot pot hell; in autumn, the girl with a red carp on her back turns into a tumbler princess and meets the senior who desperately plays the role of the stubborn king on the stage of the school festival; in winter, the girl holding a dream cold medicine defeats the cold god and flies to the sky of Kyoto with the senior...