Swim In The Cherry summary:

Read manhwa Swim In The Cherry / ?? ? ? ??During his innocent high school days, Soo-yeong shared an awkward first kiss with his first love, Cherry. But before they could clear up the misunderstanding, Cherry transferred to another school, leaving Soo-yeong with a lingering sense of regret. Years later, after completing his military service, Soo-yeong attends an orientation party and unexpectedly reunites with Cherry, who has now transferred to his university. Intrigued by her mysterious behavior, Soo-yeong impulsively sleeps with her, but then Cherry offers him a chance to make things right: "What if I gave you a chance to make amends?" "You were the one who started it."+