Hyunjin is a billionaire, always busy with his work etc. as a billionaire, hyunjin has best friend named lee know, also but he is also usually busy with work

Hyunjin has a Dog named "kkami" which is a male long hair chihuahua, hyunjin usually takes him out for walk, one day hyunjin took kkami to walk at the park wearing black clothes

He accidently meets a beautiful boy named felix who also had a female Papillon dog named Luna