Sentence:  Ôba's three-part "What is Your Name?" ("Kimi no na wa", 1953—1954), a <WSD>will-they-won&#39;t-they</WSD> romantic drama in which a couple meet on a bridge during a wartime air raid and fall in love, promising that they will meet again although unfortunately neglecting to tell each other their names, was the most commercially successful film of the early 1950s. 
Meaning of the word marked with <WSD> tags:  Of or pertaining to a potential coupling between two people who share romantic chemistry, but whose relationship is threatened by uncertainty, external obstacles or internal strife.