Everyone knows that they're childhood friend.

Park Shin Hye, the religious and smart girl.

And Lee Jong Hyun, the Hello Kitty boy.

Everyone knows that Park Shin Hye fall in love with Jong Hyun from the first time they met

but not at the first sight.

Shin Hye, fell in love with Jong Hyun at the first hearing.

Weird? Yeah. But that's true.

Everyone knows that Park Shin Hye always be Jong Hyun's helper by teaching Jong Hyun in English, by helping Jong Hyun's family, and by being good sister for Lee Ji Eun, Jong Hyun's little sister.

Everyone knows that Shin Hye do it because she loves Jong Hyun's that much.

But Jong Hyun doesn't. That Hello Kitty boy never love Shin Hye back.

And now, everyone knows that the religious girl is falling in love with another boy and will getting married soon.

But not with her Hello Kitty boy.

Shin Hye will getting married with another man, Jung Yong Hwa.

Will it be late for Jong Hyun to realize his feeling?