Being ostracized and having no friends, that's Seungmin's life, since he entered elementary school, Seungmin has never had any friends because his classmates think Seungmin is strange and scary because Seungmin often sees ghosts around them which makes his classmates afraid to approach him, This happened until Seungmin entered high school, and he was sometimes bullied by people who thought he was someone who was Not normal because you can see things that other people can't see

But now Seungmin is not so sad because now Seungmin has a very good ghost friend who accompanies him all the time, She is Hwang Na-Ra, Hwang Na-Ra has been a ghost since 1999 but even so Seungmin doesn't know the reason why his magical friend died

And you, you are a popular girl at school, many people always want to be your close friend, even though many people don't know that you are also an indigo like Seungmin, You always ignore the ghosts around you, pretending they were never seen or known to you, and it turns out that is the best way.

One sunny morning you were watering the plants in the school garden, you noticed Seungmin sitting under the tree with his magical friend, and you who could see felt curious and want to approach them