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KBS2 has unveiled a brand new teaser for its romantic drama Last Summer, and the atmosphere already promises a story as sweet as it is heartbreaking. Carried by Lee Jae Wookin a double role as twin brothers, and Choi Sung EunThis series will tell the complex story of a first love that resurfaces after years, like a long-buried truth.

A carefree summer... before the storm
The teaser opens with luminous memories between Baek Do-ha (Lee Jae Wook) and Song Ha-kyung (Choi Sung Eun). Between laughter and adolescent promises, Ha Kyung mischievously says: "I'm going to make you my number 1, at least for the summer."
To which Do Ha replies with a knowing smile, before confiding in voice-over: "I loved summer. It was my summer."
These moments of innocence are soon joined by Baek Do-youngthe long-absent twin brother. Together, the trio seem inseparable, sharing laughter, games and memories hung on the wall like moments frozen in time.
When love changes everything
But lightness soon gives way to tension. Ha Kyung's voice echoes like an omen: "We were always together every summer, but in the end, it all fell apart." Her confession to one of the brothers (followed by a kiss) upsets the trio's fragile equilibrium. The troubled gaze of the second brother, who witnesses the scene, heralds an irreversible break in their relationship. Later, Ha Kyung's words ring out with bitterness: "I still regret the confession I made that day."
A feeling of nostalgia and regret that intertwines with the appearance of Do Ha, leaving the mystery of what really happened that famous summer.
Last Summer love, friendship and secrets, with a dramatic intensity enhanced by the performance of Lee Jae-wook in a dual role and the sensitivity of Choi Sung-eun. First broadcast on November 1 at 9:20pm (KST) on KBS2 and normally on Viki.