Mina just wanted to have a memorable first kiss. Imagined all those months pining for Momo. Every night she writes about it in her diary. Finally, with all her luck and the endless prayers to all the gods she knew, and those she doesn't worship, Momo finally stopped being oblivious and had asked her out to the ball. 

One night of excitement with Momo. Just Momo and Mina, together. Mina can't contain her smile and giddiness. She was busy writing all about her plans for that night when Jeongyeon climbed and knocked on her window. Then ruined all the fun for Mina. Why does it have to be Jeongyeon, she only wanted Momo. But, Jeongyeon being the relentless girl she was had to ruin the perfect kiss she had imagined her entire teenage life.