Kookie - is a playful and fanatic ghost. He always follow Seokjin where ever he goes.. he also have an ability to talk to animals.

Kim Seokjin - a kind and friendly idol and model. He love his friends and his fans but he never expected to have a fanatic ghost. He's the only human who can see Kookie.

Park Jimin - Seokjin co-league, a top model, a dancer and also the son of Park Corp. He's in love with only and one person that was Jeon JungHyun.

Jeon JungHyun / Min Yoongi - He is Jungkook's twin brother. They though he died in fire 2 years ago. He revive using a new name and new identity, currently working at bighit as Seokjin and Jimin manager and also the adopted son of the CEO of Bighit ent.

Kim Taehyung - Office staff of Bighit and he's taking care a child named Kim Na Haeun.

Kim Na Haeun - Seokjin and Jungkook missing daughter and Taehyung's adopted daughter.

Jeon Jungkook - The second son of Jeon enterprises due to his twin brother dead. He replaced the next heir of their family. He escape along with Seokjin and his daughter but they have car accidents made him comatose within 2 years.

Additional characters

Namjoon aka God of death - he's the grim reaper Who reap souls.

Park Bo-Young - Jimin's older sister, she's the only person who knows the truth.

Jung Hoseok - SeokJin co-league and Jimin's bestfriend. He's afraid to ghost and having chills when Kookie is around.

Animal characters.

Jjangue - Seokjin's first pet and save Taehyung's daughter.

Odek and Eumuk - SeokJin sugar gliders

Bradley and Curry - Jimin's pet and always want to eat the sugars gliders.

Bradley

Curry