"A bottle of water changed my whole life..."

This is the story of four people in one big mess. Kim Taeyeon fell in love with the kind student council president, Park Leeteuk, at first sight. She always tried to get close to him, but ultimately her effort always failed. When the news spreads that Leeteuk gets a girlfriend Taeyeon decides to give up. On a hot summers' day, while sulking, Taeyeon bumped into a very cute lady who offered her a bottle of water called "Minimize Me!". Taeyeon accepted it gladly, for she was burning in the sun. That night something mysterious happened...something Taeyeon never expected...she shrinks into a mini Taeyeon.

Jessica Jung was madly in love with celebrity, Lee Donghae. She went to all of his concerts, even though she was terribly tired, and attented all of his fansigning events and such. Even though she is just a fan, when it is announced on the news Donghae is dating famous actress Im Yoona, Jessica feels betrayed as if he belonged to her. One day, a adorable lady arrived with a package of water bottles labeled "Minimize Me!" She decided to try one, unaware that it would bring forth something she didn't see coming...she shrinks into a mini Jessica.