During his summer vacation while traveling around Japan, college student Hiroshi visits his uncle's house he hasn't seen in ten years. Excited about their reunion, his uncle introduces him to his new wife Sakura, whose beauty leaves Hiroshi speechless. Noticing this, his uncle playfully teases, "Go ahead and have some fun with her."

夏休みを利用して日本一周旅行中の大学生・ヒロシは、途中で十年ぶりに叔父の家を訪れた。久しぶりの再会を喜び、初対面の妻・サクラを紹介する叔父。サクラの美貌に見とれるヒロシに気づいた叔父は「ヤッてもいいぞ？」と茶化すのだった…