Teenagers in the first flush of love can do the darnedest things. Tatsuhiko (Soya Kurokawa) is an unambitious high schooler living in a sleepy coastal town in Kyushu, southern Japan, who falls hard for visiting South Korean exchange student Yoon-seul (Kim Ji-an).
They embark on a tentative courtship, only for her to suddenly get whisked back to her native Busan after parting on less-than-amicable terms. Determined to make amends in person, Tatsuhiko pulls out a ruler and measures a map in his textbook to determine the distance between their respective homes: just three millimeters! He initially tries to swim it, then elects to take the ferry instead.
Yes, we’re firmly in seishun eiga (youth film) territory, a genre in which no expression of adoration is too ridiculous, as long as it doesn’t involve the characters getting past first base.
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