Moon Dayul selalu bersama Ji Seojun sejak dia kecil hingga SMA. Akibat ketampanan dan kepopuleran Seojun, masa sekolah Dayul menjadi penuh tantangan. Setelah memutuskan untuk tidak lagi terlibat dengan teman masa kecilnya itu, suatu hari Dayul terbangun di sebuah kamar hotel dengan Seojun yang tertidur di sebelahnya. Inikah akhir dari persahabatan mereka yang sudah terjalin selama 29 tahun?
“You spent the night with the guy who was your childhood friend??!” From the obstetrics office to high school, I spent most of my life together with him, Ji Seo-jun. Thanks to his dazzling good looks, I, Moon Da-yul, his best friend, had to endure a difficult school time and swore I would never get involved with him again. But… after getting drunk, I woke up in a strange hotel room, and next to me was Ji Seo-jun! Can our 29-year friendship survive?Original Novel:Naver Novel, Naver SeriesOriginal Webtoon:Naver Webtoon, Naver SeriesOfficial Translations:Indonesian, Thai