Some things are thicker than water. Kwak Jahyung lives his life surrounded by hot women - too bad they just happen to be his sisters, as his playboy father has more children than he can count. But boys will ...

1st story - Concrete Garden Angels exist and Kashii Kiyoharu, grandson of the man who "created" the angel, has been hired to befriend him. His name is Toki. Kashii soon finds out why the scientists need him ...