Other Title: Operation: Heartbeat; The Heart-Pounding Grand Plan; The Heart-Pounding Operation; Операция «Трепет»; ภารกิจรีสตาร์ตหัวใจ; 僕らの恋は、計算通りにいかない; 心动大作战; 두근두근 대작전

Author: Giryeong, Choi Jun-Young

Summary: "Don't you think we're missing that heart-fluttering feeling?" From elementary school all the way to high school, Nam Do-yeon and Jeong A-rin have gone from childhood friends to lovers. For a couple who strives for a perfectly rational relationship, a plan to reclaim that one missing piece of excitement— Operation: Heartbeat begins!

Latest Chapters: Ch.40 ,  Ch.39 ,  Ch.38 ,  Ch.37 ,  Ch.36 ,  Ch.35 ,