1 to 10 (Official)

Summary:
For Gunjoon, relationships are all about structure—every step, from holding hands to kissing, has to follow the proper order, one through ten. No skipping bases, no rushing ahead. But then there’s Jungseok: spontaneous, carefree, and just in it for the fun. So imagine Gunjoon’s shock when he wakes up after a drunken night to find himself in bed with none other than Jungseok. Suddenly, his carefully numbered rulebook is out the window. Now, Gunjoon’s in for a whirlwind romance that’s anything but predictable—and it just might blow his mind.