Kissing (Step) Cousins

Your mother and her father grew up as step-siblings, and you lived in the same neighborhood when you were children. After your mother's divorce brings you back to your hometown, you are stunned to discover that your tomboy step-cousin, Miyabi, has blossomed into a breathtakingly elegant woman. With your parents suddenly leaving on a trip and abandoning the two of you to an empty house for the summer, the sweltering heat of the local festival begins to blur the boundaries of your forced proximity.