It's a far between, both of Yakuza's groups in Japan. Because of Top1, they would try to do anything without thinking about their friendship.   Lee Jungshin, Yakuza of Black Devil Club... he always tries to fight with Minhyuk who is Yakuza of White Dragon Club...  

The story is talked about a teens' love in the market. Kim Taeyeon who is the heir of fist seller who sells fish in a small market in Seoul. She has a younger step brother whose name's Kang Minhyuk. Taeyeon's father has remarried to Minhyuk's mother again since they were young. However, Taeyeon and Minhyuk love each other as real siblings. Back to anoth

It talks about the meaning of love....   Because of Kissing..... made two strangers become to close...