Ko Shibasaki will star in “Ani wo mochihakoberu saizu ni,” a film directed by Nakano Ryota of “Hot Water’s Love,” his first in five years. She plays a younger sister…

In summer, Nagisa and Natsuo meet by the sea. Their vacant gazes reflect each other as they exchange awkward words and wade into the rain-drenched ocean. In winter, Li, a…