该电影由内详执导，内详等主演，于2011年上映。在68分钟的叙事中，《河童之恋》（又名：Underwater Love）Asuka, a woman in her thirties, works in a lakeside fish factory. She’s about to be married to her boss, Taki. But one day, she encounters a kappa – a water sprite found in Japanese folklore – and learns that the creature is in fact the reborn form of Aoki, an old crush who’d drowned to death when they were 17.