Comedy Drama
S01E12 • 7.1/10 • 7 Dec 2025 • KR •

Last Summer (2025) S01E12 – Our Last Summer

In the final summer, the two finally become true lovers. In a world where every day felt like war, they now promise to protect each other. They spend birthdays, anniversaries, and even the smallest moments together. Their love, sometimes cheerfully, sometimes seriously, continues. "Summer is over, but our story is just beginning."

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Cast

Lee Jae-wook
Lee Jae-wook
Baek Do-ha / Baek...
Choi Sung-eun
Choi Sung-eun
Song Ha-kyung
Kim Gun-woo
Kim Gun-woo
Seo Su-hyeok
Kwon Ah-reum
Kwon Ah-reum
Yoon So-hee
Ahn Dong-gu
Ahn Dong-gu
Oh Seung-taek
Jung Bo-min
Jung Bo-min
Lee Seul
Choi Byung-mo
Choi Byung-mo
Baek Gi-ho
Jung Hee-tae
Jung Hee-tae
Song Ji-cheol
Jeon Su-ji
Jeon Su-ji
Kim Ae-jeong
Son Ji-yoon
Son Ji-yoon
Seo Na-hyeon
Kang Seung-hyun
Kang Seung-hyun
Jeon Ye-eun
Ahn Chang-hwan
Ahn Chang-hwan
Jeon Nam-jin
Lee Tae-gu
Lee Tae-gu
Shin Jong-sin
Jang Hyuk-jin
Jang Hyuk-jin
Town Head
Jung Yi-rang
Jung Yi-rang
Lee Ji-ae
Jo Hee-bong
Jo Hee-bong
Village Chief Shin
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Park Hyeon
Kim Ki-cheon
Kim Ki-cheon
Village Chief Go
Park Sang-myeon
Park Sang-myeon
Village Chief Jo
Lee Dong-yong
Lee Dong-yong
Village Chief Jeon

Episodes

Last Summer (2025) S01E01 – One Heck of a Summer Guest S01E01 62m
1 Nov 25
Last Summer (2025) S01E01 – One Heck of a Summer Guest
One tedious summer, Do-ha, Ha-kyung's first love, reappears before her. The contract for the peanut house, which had been unsold, becomes entangled because of his name. A heated confrontation erupts, stirring up mutual wounds. Within the crumbling walls, long-buried memories resurface, and their summer rekindles.
Last Summer (2025) S01E02 – The Reason I Returned S01E02 63m
2 Nov 25
Last Summer (2025) S01E02 – The Reason I Returned
Back from a 2-year hiatus, Do-ha refuses defeat and attempts to win back Ha-gyeong’s heart. Old memories from a summer past unlock as the rain pours.
Last Summer (2025) S01E03 – The Big Triangle of Summer S01E03 65m
8 Nov 25
Last Summer (2025) S01E03 – The Big Triangle of Summer
The Patan High School Project reunites the two. Under the Summer Triangle, first love emerges once more as Do-ha reveals his heart to Ha-gyeong.
Last Summer (2025) S01E04 – The 100th War Has Begun S01E04 65m
9 Nov 25
Last Summer (2025) S01E04 – The 100th War Has Begun
As secrets unfold, past grievances reach a breaking point. Do-ha and Ha-gyeong begin a long and arduous battle over her beloved Peanut House.
Last Summer (2025) S01E05 – A House Needs People S01E05 65m
15 Nov 25
Last Summer (2025) S01E05 – A House Needs People
Ha-gyeong and Do-ha settle into a new living situation and continue working on the Patan High project. But their mutual rival Nam-jin causes trouble.
Last Summer (2025) S01E06 – 21 Days To Get To Know You S01E06 65m
16 Nov 25
Last Summer (2025) S01E06 – 21 Days To Get To Know You
Memories resurface as a shooting star lights the sky. Past and present collide as a confession is evaded. The name Baek Do-yeong casts a long shadow.
Last Summer (2025) S01E07 – The Dog-like Summer Guest S01E07 65m
22 Nov 25
Last Summer (2025) S01E07 – The Dog-like Summer Guest
Do-ha's resentment over Ha-gyeong's new relationship grows. Seul becomes concerned after Seung-taek experiences pain during his hockey match.
Last Summer (2025) S01E08 – The Last Stage S01E08 65m
23 Nov 25
Last Summer (2025) S01E08 – The Last Stage
Do-ha takes a confused Ha-gyeong out for the day. But while struggling to express her feelings, her drinking leads to a series of embarrassing errors.
Last Summer (2025) S01E09 – Summer Behind Scenes S01E09
29 Nov 25
Last Summer (2025) S01E09 – Summer Behind Scenes
Secrets unfold as Ha-gyeong breaks up with Su-hyeok and finds herself entangled with Do-ha. A double date at an amusement park deepens their rapport.
Last Summer (2025) S01E10 – A House Needs People Part 2 S01E10
30 Nov 25
Last Summer (2025) S01E10 – A House Needs People Part 2
Do-ha’s long-kept secret, Baek Do-yeong makes a comeback. Tears override laughter at the Peanut House, and the residents are at another crossroads
Last Summer (2025) S01E11 – Our Remodeling S01E11
6 Dec 25
Last Summer (2025) S01E11 – Our Remodeling
Even if the peanut house collapses, the hearts of two people must be rebuilt. Unspoken truths, confessions of love spilling out like sleep talk. The moment when the true betrayer surrounding the solar power project is revealed. Two people standing together in the fight to protect their neighbors and village. "What will the model we will create in the future look like?"
Last Summer (2025) S01E12 – Our Last Summer S01E12
7 Dec 25
Last Summer (2025) S01E12 – Our Last Summer
In the final summer, the two finally become true lovers. In a world where every day felt like war, they now promise to protect each other. They spend birthdays, anniversaries, and even the smallest moments together. Their love, sometimes cheerfully, sometimes seriously, continues. "Summer is over, but our story is just beginning."

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