1 to 10, from holding hands to kissing, everything in a relationship has to go according to plan for Gunjoon. You can't just skip over one stage to the other, not when everything needs to proceed in order—you gotta hit those bases one by one. Then there's Jungseok who's the exact opposite, carefree and spontaneous and just looking for some fun. So just imagine Gunjoon's surprise when after one drunken night, he wakes up in the same bed with none other than Jungseok. Looks like Gunjoon's gotta brace himself for a romance that defies the 1 to 10 rule, a rollercoaster ride of a love that's gonna blow his mind for sure... (Source: Lezhin Entertainment)