Above, a pretty poster for Hito natsu no kankei, which starred Minako Mizushima, along with Izumi Shima and Tamaki Katsura. There’s no English title for this, but if you were to translate ひと夏の関係‚ it would mean something like “summer relationship.” On the other hand, Hito natsu no kankei means something like “one person’s life.” So there you go. This premiered in Japan today in 1978.
She's just wading for something to happen.