“Twenty-Five Twenty-One” (스물다섯 스물하나)

The burgeoning romance in “Twenty-Five Twenty-One” is based on a strong friendship. But some viewers have pointed out that the story would’ve been more effective if the female lead character hadn’t been underage when they met.

“Mr. Sunshine” (미스터 션샤인)

Helmed by writer Kim Eun-Sook and director Lee Eung-Bok — who previously collaborated together on “Descendants of the Sun” and “Goblin: The Lonely and Great God” — the misleadingly named “Mr. Sunshine” does a beautiful job of juggling multiple story lines that are full of suspense, intrigue and achingly quiet romance.