Juyoon Oh is a typical guy trying to find a full-time job. But one day, he dives into the Han River and puts himself at risk of drowning to save a child that fell in. As he is about to meet an untimely death...

Akane: She's beautiful and popular, lively and full of vitality; Aoi: Looks like a small animal but is actually very clever. Who knew that these two very different people were actually... twin siblings?! In...