“I like someone else.” She’d confessed her feelings for the first time at twenty, only to hear a heartbreaking response. Her first boyfriend, first love, first kiss—all with a guy who thought dating someone inexperienced was too much of a burden. Still, she couldn’t get Dohwan out of her mind. Falling in love at first…

I suppose all my luck in life was used up on the day of the college entrance exam—solving the final calculus problem correctly and, by chance, sitting in the same exam room as you. Sunlight slipped through a gap in the curtain, casting a clear line that crossed your back and fell onto my arm.…